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8th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781285740621

Chapter 1.R, Problem 45E

Textbook Problem

10 views

Let

(a) Evaluate each limit, if it exists.

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(b) Where is *f* discontinuous?

(c) Sketch the graph of *f*.

To determine

(a) Evaluate each limit, if it exists.

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(i)

For limit at

(ii)

For limit at

(iii)

For limit at

For limit at

Since left hand limit and right hand limit are not same, limit does not exist.

(iv)

For limit at

(v)

For limit at

To determine

(b) Where is

**To find**: discontinuity.

To determine

(c) Sketch the graph of

Calculus (MindTap Course List)

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[Hint:Usexa=|xa|x+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 close 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 limxaf(x)= and limxag(x)=c, where 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 which...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. limx2x20x2Ch. 1.8 - Use continuity to evaluate the limit....Ch. 1.8 - Use continuity to evaluate the limit. limx/4x2tanxCh. 1.8 - Use continuity to evaluate the limit....Ch. 1.8 - Show that f is continuous on (,)....Ch. 1.8 - Show that f is continuous on (,)....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 makes 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 (fg)(x) b Is fg...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 number c...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, part...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)=|x|...Ch. 1.8 - A Tibetan monk leaves the monastery at 7.00 AMand...Ch. 1.R - a What is a function? What are its domain and...Ch. 1.R - Discuss four ways of representing a function....Ch. 1.R - a What is an even function? How can you tell if a...Ch. 1.R - What is an increasing function?Ch. 1.R - What is a mathematical model?Ch. 1.R - Give an example of each type of function. a Linear...Ch. 1.R - Sketch by hand, on the same axes, the graphs of...Ch. 1.R - Draw, by hand, a rough sketch of the graph of each...Ch. 1.R - Suppose that f has domain A and g has domain B. a...Ch. 1.R - How is the composite function fg defined? What is...Ch. 1.R - Suppose the graph of f is given. Write an equation...Ch. 1.R - Explain what each of the following means and...Ch. 1.R - Describe several ways in which a limit can fail to...Ch. 1.R - What does it mean to say that the line x=a is a...Ch. 1.R - State the following Limit Laws. a Sum Law b...Ch. 1.R - What does the Squeeze Theorem say?Ch. 1.R - a What does it mean for f to be continuous at a? b...Ch. 1.R - a Give examples of functions that are continuous...Ch. 1.R - What does the Intermediate Value Theorem say?Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Determine whether statement is true or false. If...Ch. 1.R - Let f be the function whose graph is given, a...Ch. 1.R - Determine whether each curve is the graph of a...Ch. 1.R - If f(x)=x22x+3, evaluate the different quotient...Ch. 1.R - Sketch a rough graph of the yield of a crop as a...Ch. 1.R - Find the domain and range of the function. Write...Ch. 1.R - Find the domain and range of the function. Write...Ch. 1.R - Find the domain and range of the function. Write...Ch. 1.R - Find the domain and range of the function. Write...Ch. 1.R - Suppose that the graph of f is given. Describe how...Ch. 1.R - The graph of f is given. Draw the graphs of the...Ch. 1.R - Use transformations to sketch the graph of the...Ch. 1.R - Use transformations to sketch the graph of the...Ch. 1.R - Use transformations to sketch the graph of the...Ch. 1.R - Use transformations to sketch the graph of the...Ch. 1.R - Use transformations to sketch the graph of the...Ch. 1.R - Use transformations to sketch the graph of the...Ch. 1.R - Determine whether f is even, odd, or neither even...Ch. 1.R - Find an expression for the function whose graph...Ch. 1.R - If f(x)=x and g(x)=sinx, find the functions a fg,...Ch. 1.R - Express the function F(x)=1x+x as a composition of...Ch. 1.R - Life expectancy improved dramatically in the 20th...Ch. 1.R - A small-appliance manufacturer finds that it costs...Ch. 1.R - The graph of f is given, a Find each limit, or...Ch. 1.R - Sketch the graph of an example of a function f...Ch. 1.R - Find the limit. limx0cos(x+sinx)Ch. 1.R - Find the limit. limx3x29x2+2x3Ch. 1.R - Find the limit. limx3x29x2+2x3Ch. 1.R - Find the limit. limx1+x29x2+2x3Ch. 1.R - Find the limit. limh0(h1)3+1hCh. 1.R - Find the limit. limt2t24t38Ch. 1.R - Find the limit. limr9r(r9)4Ch. 1.R - Find the limit. limv4+4v|4v|Ch. 1.R - Find the limit. limu1u41u3+5u26uCh. 1.R - Find the limit. limx3x+6xx33x2Ch. 1.R - Find the limit. lims164ss16Ch. 1.R - Find the limit. limv2v2+2v8v416Ch. 1.R - Find the limit. limx011x2xCh. 1.R - Find the limit. limx1(1x1+1x23x+2)Ch. 1.R - If 2x1f(x)x2 for 0x3, find limx1f(x).Ch. 1.R - Prove that limx0x2cos(1/x2)=0.Ch. 1.R - Prove the statement using the precise definition...Ch. 1.R - Prove the statement using the precise definition...Ch. 1.R - Prove the statement using the precise definition...Ch. 1.R - Prove the statement using the precise definition...Ch. 1.R - Let f(x)={xifx03xif0x3(x3)2ifx3 a Evaluate each...Ch. 1.R - Let g(x)={2xx2if0x22xif2x3x4if3x4ifx4 a For each...Ch. 1.R - Show that the function is continuous on its...Ch. 1.R - Show that the function is continuous on its...Ch. 1.R - Use the Intermediate Value Theorem to show that...Ch. 1.R - Use the Intermediate Value Theorem to show that...Ch. 1.R - Suppose that |f(x)|g(x) for all x, where...Ch. 1.R - Let f(x)=x+x. a For what values of a does...Ch. 1.PPS - Solve the equation |2x1||x+5|=3.Ch. 1.PPS - Solve the inequality |x1||x3|5.Ch. 1.PPS - Sketch the graph of the function f(x)=|x24|x|+3|.Ch. 1.PPS - Sketch the graph of the function g(x)=|x21||x24|.Ch. 1.PPS - Draw the graph of the equation x+|x|=y+|y|.Ch. 1.PPS - Sketch the region in the plane consisting of all...Ch. 1.PPS - The notation max {a,b,...} means the largest of...Ch. 1.PPS - Sketch the region in the plane defined by each of...Ch. 1.PPS - A driver sets out on a journey. For the first half...Ch. 1.PPS - Is it true that f(g+h)=fg+fh?Ch. 1.PPS - Prove that if n is a positive integer, then 7n1 is...Ch. 1.PPS - Prove that 1+3+5+...+(2n1)=n2.Ch. 1.PPS - If f0(x)=x2 and fn+1(x)=f0(fn(x)) for n=0,1,2,...,...Ch. 1.PPS - a If f0(x)=12x and fn+1=f0fn for n=0,1,2,....,...Ch. 1.PPS - Evaluate limx1x31x1.Ch. 1.PPS - Find numbers a and b such that limx0ax+b2x=1.Ch. 1.PPS - Evaluate limx0|2x1||2x+1|x.Ch. 1.PPS - The figure shows a point P on the parabola y=x2...Ch. 1.PPS - Evaluate the following limits, if they exists,...Ch. 1.PPS - Sketch the region in the plane defined by each of...Ch. 1.PPS - Find all values of a such that f is continuous on...Ch. 1.PPS - A fixed point of a function f is a number c in its...Ch. 1.PPS - If limxa[f(x)+g(x)]=2 and limxa[f(x)g(x)]=1, find...Ch. 1.PPS - a The figure shows an isosceles triangle ABC with...Ch. 1.PPS - a If we start from 0 latitude and proceed in a...

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