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8th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781305266636

Chapter 1.8, Problem 31E

Textbook Problem

Explain, using Theorems 4, 5, 7, and 9, why the function is continuous at every number in its domain. State the domain.

**31.**

Single Variable Calculus

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Ch. 1.1 - If f(x)=x+2x and g(u)=u+2u, is it true that f = g?Ch. 1.1 - If f(x)=x2xx1andg(x)=x is it true that f = g?Ch. 1.1 - The graph of a function f is given. (a) State the...Ch. 1.1 - The graphs of f and g are given. (a) State the...Ch. 1.1 - Figure 1 was recorded by an instrument operated by...Ch. 1.1 - In this section we discussed examples of ordinary,...Ch. 1.1 - Determine whether the curve is the graph of a...Ch. 1.1 - Determine whether the curve is the graph of a...Ch. 1.1 - Determine whether the curve is the graph of a...Ch. 1.1 - Determine whether the curve is the graph of a...

Ch. 1.1 - Shown is a graph of the global average temperature...Ch. 1.1 - Trees grow faster and form wider rings in warm...Ch. 1.1 - You put some ice cubes in a glass, fill the glass...Ch. 1.1 - Three runners compete in a 100-meter race. The...Ch. 1.1 - The graph shows the power consumption for a day in...Ch. 1.1 - Sketch a rough graph of the number of hours of...Ch. 1.1 - Sketch a rough graph of the outdoor temperature as...Ch. 1.1 - Sketch a rough graph of the market value of a new...Ch. 1.1 - Sketch the graph of the amount of a particular...Ch. 1.1 - You place a frozen pie in an oven and bake it for...Ch. 1.1 - A homeowner mows the lawn every Wednesday...Ch. 1.1 - An airplane takes off from an airport and lands an...Ch. 1.1 - Temperature readings T (in F) were recorded every...Ch. 1.1 - Researchers measured the blood alcohol...Ch. 1.1 - If f(x) = 3x2 x + 2, find f(2), f(2), f(a), f(a),...Ch. 1.1 - A spherical balloon with radius r inches has...Ch. 1.1 - Evaluate the difference quotient for the given...Ch. 1.1 - Evaluate the difference quotient for the given...Ch. 1.1 - Evaluate the difference quotient for the given...Ch. 1.1 - Evaluate the difference quotient for the given...Ch. 1.1 - Find the domain of the function. 31. f(x)=x+4x29Ch. 1.1 - Find the domain of the function. 32....Ch. 1.1 - Find the domain of the function. 33. f(t)=2t13Ch. 1.1 - Find the domain of the function. 34. g(t)=3t2+tCh. 1.1 - Find the domain of the function. 35. h(x)=1x25x4Ch. 1.1 - Find the domain of the function. 36....Ch. 1.1 - Find the domain of the function. 37. F(p)=2pCh. 1.1 - Find the domain and range and sketch the graph of...Ch. 1.1 - Find the domain and sketch the graph of the...Ch. 1.1 - Find the domain and sketch the graph of the...Ch. 1.1 - Evaluate f(3), f(0), and f(2) for the piecewise...Ch. 1.1 - Evaluate f(3), f(0), and f(2) for the piecewise...Ch. 1.1 - Evaluate f(3), f(0), and f(2) for the piecewise...Ch. 1.1 - Evaluate f(3), f(0), and f(2) for the piecewise...Ch. 1.1 - Sketch the graph of the function. 45. f(x) = x +...Ch. 1.1 - Sketch the graph of the function. 46. f(x) = |x +...Ch. 1.1 - Sketch the graph of the function. 47. g(t) = |l ...Ch. 1.1 - Sketch the graph of the function. 48. h(t) = |t| +...Ch. 1.1 - Sketch the graph of the function. 49....Ch. 1.1 - Sketch the graph of the function. 50. g(x) = ||x| ...Ch. 1.1 - Find an expression for the function whose graph is...Ch. 1.1 - Find an expression for the function whose graph is...Ch. 1.1 - Find an expression for the function whose graph is...Ch. 1.1 - Find an expression for the function whose graph is...Ch. 1.1 - Find an expression for the function whose graph is...Ch. 1.1 - Find an expression for the function whose graph is...Ch. 1.1 - Find a formula for the described function and...Ch. 1.1 - Find a formula for the described function and...Ch. 1.1 - Find a formula for the described function and...Ch. 1.1 - Find a formula for the described function and...Ch. 1.1 - Find a formula for the described function and...Ch. 1.1 - A Norman window has the shape of a rectangle...Ch. 1.1 - A box with an open top is to be constructed from a...Ch. 1.1 - A cell phone plan has a basic charge of 35 a...Ch. 1.1 - In a certain state the maximum speed permitted on...Ch. 1.1 - An electricity company charges its customers a...Ch. 1.1 - In a certain country, income tax is assessed as...Ch. 1.1 - The functions in Example 10 and Exercise 67 are...Ch. 1.1 - Graphs of f and g are shown. Decide whether each...Ch. 1.1 - Graphs of f and g are shown. Decide whether each...Ch. 1.1 - (a) If the point (5, 3) is on the graph of an even...Ch. 1.1 - A function f has domain [5, 5] and a portion of...Ch. 1.1 - Determine whether f is even, odd, or neither. If...Ch. 1.1 - Determine whether f is even, odd, or neither. If...Ch. 1.1 - Determine whether f is even, odd, or neither. If...Ch. 1.1 - Determine whether f is even, odd, or neither. If...Ch. 1.1 - Determine whether f is even, odd, or neither. If...Ch. 1.1 - Determine whether f is even, odd, or neither. If...Ch. 1.1 - If f and g are both even functions, is f + g even?...Ch. 1.1 - If f and g are both even functions, is the product...Ch. 1.2 - Classify each function as a power function, root...Ch. 1.2 - Classify each function as a power function, root...Ch. 1.2 - Match each equation with its graph. Explain your...Ch. 1.2 - Match each equation with its graph. Explain your...Ch. 1.2 - Find the domain of the function. 5. f(x)=cosx1sinxCh. 1.2 - Find the domain of the function. 6. g(x)=11tanxCh. 1.2 - (a) Find an equation for the family of linear...Ch. 1.2 - What do all members of the family of linear...Ch. 1.2 - What do all members of the family of linear...Ch. 1.2 - Find expressions for the quadratic functions whose...Ch. 1.2 - Find an expression for a cubic function f if f(1)...Ch. 1.2 - Recent studies indicate that the average surface...Ch. 1.2 - If the recommended adult dosage for a drug is D...Ch. 1.2 - The manager of a weekend flea market knows from...Ch. 1.2 - The relationship between the Fahrenheit (F) and...Ch. 1.2 - Jason leaves Detroit at 2:00 pm and drives at a...Ch. 1.2 - Biologists have noticed that the chirping rate of...Ch. 1.2 - The manager of a furniture factory finds that it...Ch. 1.2 - At the surface of the ocean, the water pressure is...Ch. 1.2 - The monthly cost of driving a car depends on the...Ch. 1.2 - For each scatter plot, decide what type of...Ch. 1.2 - For each scatter plot, decide what type of...Ch. 1.3 - Suppose the graph of f is given. Write equations...Ch. 1.3 - Explain how each graph is obtained from the graph...Ch. 1.3 - The graph of y = f(x) is given. Match each...Ch. 1.3 - The graph of f is given. Draw the graphs of the...Ch. 1.3 - The graph of f is given. Use it to graph the...Ch. 1.3 - The graph of y=3xx2 is given. Use transformations...Ch. 1.3 - The graph of y=3xx2 is given. Use transformations...Ch. 1.3 - (a) How is the graph of y = 2 sin x related to the...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - Graph the function by hand, not by plotting...Ch. 1.3 - The city of New Orleans is located at latitude...Ch. 1.3 - A variable star is one whose brightness...Ch. 1.3 - Some of the highest tides in the world occur in...Ch. 1.3 - In a normal respiratory cycle the volume of air...Ch. 1.3 - (a) How is the graph of y = f (|x|) related to the...Ch. 1.3 - Use the given graph of f to sketch the graph of y...Ch. 1.3 - Find (a) f + g, (b) f g, (c) fg, and (d) f/g and...Ch. 1.3 - Find (a) f + g, (b) f g, (c) fg, and (d) f/g and...Ch. 1.3 - Find the functions (a) f g, (b) g f, (c) f f,...Ch. 1.3 - Find the functions (a) f g, (b) g f, (c) f f,...Ch. 1.3 - Find the functions (a) f g, (b) g f, (c) f f,...Ch. 1.3 - Find the functions (a) f g, (b) g f, (c) f f,...Ch. 1.3 - Find the functions (a) f g, (b) g f, (c) f f,...Ch. 1.3 - Find the functions (a) f g, (b) g f, (c) f f,...Ch. 1.3 - Find f g h. 39. f(x) = 3x 2, g(x) = sin x, h(x)...Ch. 1.3 - Find f g h. 40. f(x) = |x 4|, g(x) = 2x, h(x)=xCh. 1.3 - Find f g h. 41. f(x)=x3, g(x) = x2, h(x) = x3 + 2Ch. 1.3 - Find f g h. 42. f(x) = tan x, g(x)=xx1,h(x)=x3Ch. 1.3 - Express the function in the form f g. 43. F(x) =...Ch. 1.3 - Express the function in the form f g. 44. F(x) =...Ch. 1.3 - Express the function in the form f g. 45....Ch. 1.3 - Express the function in the form f g. 46....Ch. 1.3 - Express the function in the form f g. 47. v(t) =...Ch. 1.3 - Express the function in the form f g. 48....Ch. 1.3 - Express the function in the form f g h. 49....Ch. 1.3 - Express the function in the form f g h. 50....Ch. 1.3 - Express the function in the form f g h. 51. S(t)...Ch. 1.3 - Use the table to evaluate each expression. (a)...Ch. 1.3 - Use the given graphs of f and g to evaluate each...Ch. 1.3 - Use the given graphs of f and g to estimate the...Ch. 1.3 - A stone is dropped into a lake, creating a...Ch. 1.3 - A spherical balloon is being inflated and the...Ch. 1.3 - A ship is moving at a speed of 30 km/h parallel to...Ch. 1.3 - An airplane is flying at a speed of 350 mi/h at an...Ch. 1.3 - The Heaviside function H is defined by...Ch. 1.3 - The Heaviside function defined in Exercise 59 can...Ch. 1.3 - Let f and g be linear functions with equations...Ch. 1.3 - If you invest x dollars at 4% interest compounded...Ch. 1.3 - (a) If g(x) = 2x + 1 and h(x) = 4x2 + 4x + 7, find...Ch. 1.3 - If f(x) = x + 4 and h(x) = 4x 1, find a function...Ch. 1.3 - Suppose g is an even function and let h = f g. Is...Ch. 1.3 - Suppose g is an odd function and let h = f g. Is...Ch. 1.4 - A tank holds 1000 gallons of water, which drains...Ch. 1.4 - A cardiac monitor is used to measure the heart...Ch. 1.4 - The point P(2, 1) lies on the curve y = 1/(1 x)....Ch. 1.4 - The point P(0.5, 0) lies on the curve y = cos x....Ch. 1.4 - If a ball is thrown into the air with a velocity...Ch. 1.4 - If a rock is thrown upward on the planet Mars with...Ch. 1.4 - The table shows the position of a motorcyclist...Ch. 1.4 - The displacement (in centimeters) of a particle...Ch. 1.4 - The point P(1, 0) lies on the curve y = sin(10/x)....Ch. 1.5 - Explain in your own words what is meant by the...Ch. 1.5 - Explain what it means to say that...Ch. 1.5 - Explain the meaning of each of the following. (a)...Ch. 1.5 - Use the given graph of f to state the value of...Ch. 1.5 - For the function f whose graph is given, state the...Ch. 1.5 - For the function h whose graph is given, state the...Ch. 1.5 - For the function g whose graph is given, state the...Ch. 1.5 - For the function A whose graph is shown, state the...Ch. 1.5 - For the function f whose graph is shown, state the...Ch. 1.5 - A patient receives a 150-mg injection of a drug...Ch. 1.5 - Sketch the graph of the function and use it to...Ch. 1.5 - Sketch the graph of the function and use it to...Ch. 1.5 - Use the graph of the function f to state the value...Ch. 1.5 - Use the graph of the function f to state the value...Ch. 1.5 - Sketch the graph of an example of a function f...Ch. 1.5 - Sketch the graph of an example of a function f...Ch. 1.5 - Sketch the graph of an example of a function f...Ch. 1.5 - Sketch the graph of an example of a function f...Ch. 1.5 - Guess the value of the limit (if it exists) by...Ch. 1.5 - Guess the value of the limit (if it exists) by...Ch. 1.5 - Guess the value of the limit (if it exists) by...Ch. 1.5 - Guess the value of the limit (if it exists) by...Ch. 1.5 - Use a table of values to estimate the value of the...Ch. 1.5 - Use a table of values to estimate the value of the...Ch. 1.5 - Use a table of values to estimate the value of the...Ch. 1.5 - Use a table of values to estimate the value of the...Ch. 1.5 - (a) By graphing the function f(x) = (cos 2x cos...Ch. 1.5 - (a) Estimate the value of limx0sinxsinx by...Ch. 1.5 - Determine the infinite limit. 29. limx5+x+1x5Ch. 1.5 - Determine the infinite limit. 30. limx5x+1x5Ch. 1.5 - Determine the infinite limit. 31. limx12x(x1)2Ch. 1.5 - Determine the infinite limit. 32. limx3x(x3)5Ch. 1.5 - Determine the infinite limit. 33. limx2+x1x2(x+2)Ch. 1.5 - Determine the infinite limit. 34. limx0x1x2(x+2)Ch. 1.5 - Determine the infinite limit. 35. limx(/2)+1xsecxCh. 1.5 - Determine the infinite limit. 36. limxcotxCh. 1.5 - Determine the infinite limit. 37. limx2xcscxCh. 1.5 - Determine the infinite limit. 38. limx2x22xx24x+4Ch. 1.5 - Determine the infinite limit. 39....Ch. 1.5 - (a) Find the vertical asymptotes of the function...Ch. 1.5 - Determine limx11x31and limx1+1x31 (a) by...Ch. 1.5 - (a) By graphing the function f(x) = (tan 4x)/x and...Ch. 1.5 - (a) Evaluate the function f(x) = x2 (2x/1000) for...Ch. 1.5 - (a) Evaluate h(x) = (tan x x)/x3 for x = 1, 0.5,...Ch. 1.5 - Graph the function f(x) = sin(/x) of Example 4 in...Ch. 1.5 - Consider the function f(x)=tan1x. (a) Show that...Ch. 1.5 - Use a graph to estimate the equations of all the...Ch. 1.5 - In the theory of relativity, the mass of a...Ch. 1.5 - (a) Use numerical and graphical evidence to guess...Ch. 1.6 - Given that limx2f(x)=4limx2g(x)=2limx2h(x)=0 find...Ch. 1.6 - The graphs of f and g are given. Use them to...Ch. 1.6 - Evaluate the limit and justify each step by...Ch. 1.6 - Evaluate the limit and justify each step by...Ch. 1.6 - Evaluate the limit and justify each step by...Ch. 1.6 - Evaluate the limit and justify each step by...Ch. 1.6 - Evaluate the limit and justify each step by...Ch. 1.6 - Evaluate the limit and justify each step by...Ch. 1.6 - Evaluate the limit and justify each step by...Ch. 1.6 - (a) What is wrong with the following equation?...Ch. 1.6 - Evaluate the limit, if it exists. 11....Ch. 1.6 - Evaluate the limit, if it exists. 12....Ch. 1.6 - Evaluate the limit, if it exists. 13....Ch. 1.6 - Evaluate the limit, if it exists. 14....Ch. 1.6 - Evaluate the limit, if it exists. 15....Ch. 1.6 - Evaluate the limit, if it exists. 16....Ch. 1.6 - Evaluate the limit, if it exists. 17....Ch. 1.6 - Evaluate the limit, if it exists. 18....Ch. 1.6 - Evaluate the limit, if it exists. 19. limx2x+2x3+8Ch. 1.6 - Evaluate the limit, if it exists. 20. limt1t41t31Ch. 1.6 - Evaluate the limit, if it exists. 21. limh09+h3hCh. 1.6 - Evaluate the limit, if it exists. 22. limu24u+13u2Ch. 1.6 - Evaluate the limit, if it exists. 23. limx31x13x3Ch. 1.6 - Evaluate the limit, if it exists. 24....Ch. 1.6 - Evaluate the limit, if it exists. 25. limt01+t1ttCh. 1.6 - Evaluate the limit, if it exists. 26....Ch. 1.6 - Evaluate the limit, if it exists. 27....Ch. 1.6 - Evaluate the limit, if it exists. 28....Ch. 1.6 - Evaluate the limit, if it exists. 29....Ch. 1.6 - Evaluate the limit, if it exists. 30....Ch. 1.6 - Evaluate the limit, if it exists. 31....Ch. 1.6 - Evaluate the limit, if it exists. 32....Ch. 1.6 - (a) Estimate the value of limx0x1+3x1 by graphing...Ch. 1.6 - (a) Use a graph of f(x)=3+x3xto estimate the value...Ch. 1.6 - Use the Squeeze Theorem to show that limx0 (x2 cos...Ch. 1.6 - Use the Squeeze Theorem to show that...Ch. 1.6 - If 4x 9 f(x) x2 4x + 7 for x 0, find...Ch. 1.6 - If 2x g(x) x4 x2 + 2 for all x, evaluate...Ch. 1.6 - Prove that limx0x4cos2x=0.Ch. 1.6 - Prove that limx0+x[1+sin2(2/x)]=0.Ch. 1.6 - Find the limit, if it exists. If the limit does...Ch. 1.6 - Find the limit, if it exists. If the limit does...Ch. 1.6 - Find the limit, if it exists. If the limit does...Ch. 1.6 - Find the limit, if it exists. If the limit does...Ch. 1.6 - Find the limit, if it exists. If the limit does...Ch. 1.6 - Find the limit, if it exists. If the limit does...Ch. 1.6 - The signum (or sign) function, denoted by sgn, is...Ch. 1.6 - Let g(x) = sgn(sin x). (a) Find each of the...Ch. 1.6 - Let g(x)=x2+x6x2. (a) Find (i) limx2+g(x) (ii)...Ch. 1.6 - Let f(x)={x2+1ifx1(x2)2ifx1 (a) Find limx1f(x) and...Ch. 1.6 - Let B(t)={412tift2t+cift2 Find the value of c so...Ch. 1.6 - Let g(x)={xifx13ifx=12x2if1x2x3ifx2 (a) Evaluate...Ch. 1.6 - (a) If the symbol denotes the greatest integer...Ch. 1.6 - Let f(x) = cos x, x . (a) Sketch the graph of...Ch. 1.6 - If f(x) = x + x, show that limx2 f(x) exists but...Ch. 1.6 - In the theory of relativity, the Lorentz...Ch. 1.6 - If p is a polynomial, show that limxa p(x) = p(a).Ch. 1.6 - If r is a rational function, use Exercise 57 to...Ch. 1.6 - If limx1f(x)8x1=10, find limx1f(x).Ch. 1.6 - If limx0f(x)x2=5, find the following limits. (a)...Ch. 1.6 - If f(x)={x2ifxisrational0ifxisirrational prove...Ch. 1.6 - Show by means of an example that limxa [f(x) +...Ch. 1.6 - Show by means of an example that limxa [f(x) g(x)]...Ch. 1.6 - Evaluate limx26x23x1.Ch. 1.6 - Is there a number a such that limx23x2+ax+a+3x2+x2...Ch. 1.6 - The figure shows a fixed circle C1 with equation...Ch. 1.7 - Use the given graph of f to find a number such...Ch. 1.7 - Use the given graph of f to find a number such...Ch. 1.7 - Use the given graph of f(x)=x to find a number ...Ch. 1.7 - Use the given graph of f(x) = x2 to find a number ...Ch. 1.7 - Use a graph to find a number such that...Ch. 1.7 - Use a graph to find a number such that...Ch. 1.7 - For the limit limx2(x33x+4)=6 illustrate...Ch. 1.7 - For the limit limx24x+13x4=4.5 illustrate...Ch. 1.7 - (a) Use a graph to find a number such that...Ch. 1.7 - Given that limxcsc2x=, illustrate Definition 6 by...Ch. 1.7 - A machinist is required to manufacture a circular...Ch. 1.7 - A crystal growth furnace is used in research to...Ch. 1.7 - (a) Find a number such that if |x 2| , then |4x...Ch. 1.7 - Given that limx2 (5x 7) = 3, illustrate...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Prove the statement using the , definition of a...Ch. 1.7 - Verify that another possible choice of for...Ch. 1.7 - Verify, by a geometric argument, that the largest...Ch. 1.7 - Prove that limx21x=12.Ch. 1.7 - Prove that limxax=a if a 0. [Hint:Usexa=xax+a.]Ch. 1.7 - If H is the Heaviside function defined in Example...Ch. 1.7 - If the function f is defined by...Ch. 1.7 - By comparing Definitions 2, 3, and 4. prove...Ch. 1.7 - How dose to 3 do we have to take x so that...Ch. 1.7 - Prove, using Definition 6, that limx31(x+3)4=.Ch. 1.7 - Prove that limx15(x+1)3=.Ch. 1.7 - Suppose that limxa f(x) = and limxa g(x) = c,...Ch. 1.8 - Write an equation that expresses the fact that a...Ch. 1.8 - If f is continuous on (, ), what can you say about...Ch. 1.8 - (a) From the graph of f, state the numbers at...Ch. 1.8 - From the graph of g, state the intervals on which...Ch. 1.8 - Sketch the graph of a function f that is...Ch. 1.8 - Sketch the graph of a function f that is...Ch. 1.8 - Sketch the graph of a function f that is...Ch. 1.8 - Sketch the graph of a function f that is...Ch. 1.8 - The toll T charged for driving on a certain...Ch. 1.8 - Explain why each function is continuous or...Ch. 1.8 - Use the definition of continuity and the...Ch. 1.8 - Use the definition of continuity and the...Ch. 1.8 - Use the definition of continuity and the...Ch. 1.8 - Use the definition of continuity and the...Ch. 1.8 - Use the definition of continuity and the...Ch. 1.8 - Use the definition of continuity and the...Ch. 1.8 - Explain why the function is discontinuous at the...Ch. 1.8 - Explain why the function is discontinuous at the...Ch. 1.8 - Explain why the function is discontinuous at the...Ch. 1.8 - Explain why the function is discontinuous at the...Ch. 1.8 - Explain why the function is discontinuous at the...Ch. 1.8 - Explain why the function is discontinuous at the...Ch. 1.8 - How would you remove the discontinuity of f? In...Ch. 1.8 - How would you remove the discontinuity of f? In...Ch. 1.8 - Explain, using Theorems 4, 5, 7, and 9, why the...Ch. 1.8 - Explain, using Theorems 4, 5, 7, and 9, why the...Ch. 1.8 - Explain, using Theorems 4, 5, 7, and 9, why the...Ch. 1.8 - Explain, using Theorems 4, 5, 7, and 9, why the...Ch. 1.8 - Explain, using Theorems 4, 5, 7, and 9, why the...Ch. 1.8 - Explain, using Theorems 4, 5, 7, and 9, why the...Ch. 1.8 - Explain, using Theorems 4, 5, 7, and 9, why the...Ch. 1.8 - Explain, using Theorems 4, 5, 7, and 9, why the...Ch. 1.8 - Locate the discontinuities of the function and...Ch. 1.8 - Locate the discontinuities of the function and...Ch. 1.8 - Use continuity to evaluate the limit. 35....Ch. 1.8 - Use continuity to evaluate the limit. 36....Ch. 1.8 - Use continuity to evaluate the limit. 37....Ch. 1.8 - Use continuity to evaluate the limit. 38....Ch. 1.8 - Show that f is continuous on (, ). 39....Ch. 1.8 - Show that f is continuous on (, ). 40....Ch. 1.8 - Find the numbers at which f is discontinuous. At...Ch. 1.8 - Find the numbers at which f is discontinuous. At...Ch. 1.8 - Find the numbers at which f is discontinuous. At...Ch. 1.8 - The gravitational force exerted by the planet...Ch. 1.8 - For what value of the constant c is the function f...Ch. 1.8 - Find the values of a and b that make f continuous...Ch. 1.8 - Suppose f and g are continuous functions such that...Ch. 1.8 - Let f(x) = 1/x and g(x) = 1/x2. (a) Find (f ...Ch. 1.8 - Which of the following functions f has a removable...Ch. 1.8 - Suppose that a function f is continuous on [0, 1]...Ch. 1.8 - If f(x) = x2 + 10 sin x, show that there is a...Ch. 1.8 - Suppose f is continuous on [1, 5] and the only...Ch. 1.8 - Use the Intermediate Value Theorem to show that...Ch. 1.8 - Use the Intermediate Value Theorem to show that...Ch. 1.8 - Use the Intermediate Value Theorem to show that...Ch. 1.8 - Use the Intermediate Value Theorem to show that...Ch. 1.8 - (a) Prove that the equation has at least one real...Ch. 1.8 - (a) Prove that the equation has at least one real...Ch. 1.8 - (a) Prove that the equation has at least one real...Ch. 1.8 - (a) Prove that the equation has at least one real...Ch. 1.8 - Prove, without graphing, that the graph of the...Ch. 1.8 - Prove, without graphing, that the graph of the...Ch. 1.8 - Prove that f is continuous at a if and only if...Ch. 1.8 - To prove that sine is continuous, we need to show...Ch. 1.8 - Prove that cosine is a continuous function.Ch. 1.8 - (a) Prove Theorem 4, part 3. (b) Prove Theorem 4,...Ch. 1.8 - For what values of x is f continuous?...Ch. 1.8 - For what values of x is g continuous?...Ch. 1.8 - Is there a number that is exactly 1 more than its...Ch. 1.8 - If a and b are positive numbers, prove that the...Ch. 1.8 - Show that the function f(x)={x4sin(1/x)ifx00ifx=0...Ch. 1.8 - (a) Show that the absolute value function F(x) = |...Ch. 1.8 - A Tibetan monk leaves the monastery at 7:00 am and...Ch. 1 - (a) What is a function? What are its domain and...Ch. 1 - Discuss four ways of representing a function....Ch. 1 - (a) What is an even function? How can you tell if...Ch. 1 - What is an increasing function?Ch. 1 - What is a mathematical model?Ch. 1 - Give an example of each type of function. (a)...Ch. 1 - Sketch by hand, on the same axes, the graphs of...Ch. 1 - Draw, by hand, a rough sketch of the graph of each...Ch. 1 - Suppose that f has domain A and g has domain B....Ch. 1 - How is the composite function f g defined? What...Ch. 1 - Suppose the graph of f is given. Write an equation...Ch. 1 - Explain what each of the following means and...Ch. 1 - Describe several ways in which a limit can fail to...Ch. 1 - What does it mean to say that the line x = a is a...Ch. 1 - State the following Limit Laws. (a) Sum Law (b)...Ch. 1 - What does the Squeeze Theorem say?Ch. 1 - (a) What does it mean for f to be continuous at a?...Ch. 1 - (a) Give examples of functions that are continuous...Ch. 1 - What does the Intermediate Value Theorem say?Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Determine whether the statement is true or false....Ch. 1 - Let f be the function whose graph is given. (a)...Ch. 1 - Determine whether each curve is the graph of a...Ch. 1 - If f(x) = x2 2x + 3, evaluate the difference...Ch. 1 - Sketch a rough graph of the yield of a crop as a...Ch. 1 - Find the domain and range of the function. Write...Ch. 1 - Find the domain and range of the function. Write...Ch. 1 - Find the domain and range of the function. Write...Ch. 1 - Find the domain and range of the function. Write...Ch. 1 - Suppose that the graph of f is given. Describe how...Ch. 1 - The graph of f is given. Draw the graphs of the...Ch. 1 - Use transformations to sketch the graph of the...Ch. 1 - Use transformations to sketch the graph of the...Ch. 1 - Use transformations to sketch the graph of the...Ch. 1 - Use transformations to sketch the graph of the...Ch. 1 - Use transformations to sketch the graph of the...Ch. 1 - Use transformations to sketch the graph of the...Ch. 1 - Determine whether f is even, odd, or neither even...Ch. 1 - Find an expression for the function whose graph...Ch. 1 - If f(x)=x and g(x) = sin x, find the functions (a)...Ch. 1 - Express the function F(x)=1/x+x as a composition...Ch. 1 - A small-appliance manufacturer finds that it costs...Ch. 1 - The graph of f is given. (a) Find each limit, or...Ch. 1 - Sketch the graph of an example of a function f...Ch. 1 - Find the limit. 25. limx0cos(x+sinx)Ch. 1 - Find the limit. 26. limx3x29x2+2x3Ch. 1 - Find the limit. 27. limx3x29x2+2x3Ch. 1 - Find the limit. 28. limx1+x29x2+2x3Ch. 1 - Find the limit. 29. limh0(h1)3+1hCh. 1 - Find the limit. 30. limt2t24t38Ch. 1 - Find the limit. 31. limr9r(r9)4Ch. 1 - Find the limit. 32. limv4+4v4vCh. 1 - Find the limit. 33. limu1u41u3+5u26uCh. 1 - Find the limit. 34. limx3x+6xx33x2Ch. 1 - Find the limit. 35. lims164ss16Ch. 1 - Find the limit. 36. limv2v2+2v8v416Ch. 1 - Find the limit. 37. limx011x2xCh. 1 - Find the limit. 38. limx1(1x1+1x23x+2)Ch. 1 - If 2x 1 f(x) x2 for 0 x 3, find limx1 f(x).Ch. 1 - Prove that limx0 x2 cos(1/x2) = 0.Ch. 1 - Prove the statement using the precise definition...Ch. 1 - Prove the statement using the precise definition...Ch. 1 - Prove the statement using the precise definition...Ch. 1 - Prove the statement using the precise definition...Ch. 1 - Let f(x)={xifx03xif0x3(x3)2ifx3 (a) Evaluate each...Ch. 1 - Let g(x)={2xx2if0x22xif2x3x4if3x4ifx4 (a) For each...Ch. 1 - Show that the function is continuous on its...Ch. 1 - Show that the function is continuous on its...Ch. 1 - Use the Intermediate Value Theorem to show that...Ch. 1 - Use the Intermediate Value Theorem to show that...Ch. 1 - Suppose that |f(x)| g(x) for all x, where limxa...Ch. 1 - Let f(x) = x + x. (a) For what values of a does...Ch. 1 - Solve the equation |2x 1| |x + 5| = 3.Ch. 1 - Solve the inequality |x 1| |x 3 | 5.Ch. 1 - Sketch the graph of the function f(x) = |x2 4|x|...Ch. 1 - Sketch the graph of the function g(x) = |x2 1| ...Ch. 1 - Draw the graph of the equation x + |x| = y + |y|.Ch. 1 - Sketch the region in the plane consisting of all...Ch. 1 - The notation max{a, b, } means the largest of the...Ch. 1 - Sketch the region in the plane defined by each of...Ch. 1 - A driver sets out on a journey. For the first half...Ch. 1 - Is it true that f (g + h) = f g + f h?Ch. 1 - Prove that if n is a positive integer, then 7n 1...Ch. 1 - Prove that 1 + 3 + 5+ ...+ (2n 1)=n2.Ch. 1 - If f0(x) = x2 and fn+1(x) = f0(fn(x)) for n = 0,...Ch. 1 - (a) If f0(x)=12x and fn+1 = f0 fn for n = 0, 1,...Ch. 1 - Evaluate limx1x31x1.Ch. 1 - Find numbers a and b such that limx0ax+b2x=1.Ch. 1 - Evaluate limx02x12x+1x.Ch. 1 - The figure shows a point P on the parabola y = x2...Ch. 1 - Evaluate the following limits, if they exist,...Ch. 1 - Sketch the region in the plane defined by each of...Ch. 1 - Find all values of a such that f is continuous on...Ch. 1 - A fixed point of a function f is a number c in its...Ch. 1 - If limxa [f(x) + g(x)] = 2 and limxa [f(x) g(x)]...Ch. 1 - (a) The figure shows an isosceles triangle ABC...Ch. 1 - (a) If we start from 0 latitude and proceed in a...

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