#7 4. f(x) =x= 211. f(x) =if x 2if x < 211. f(x) = !x+2In Problems 7–12, determine whether the function is continuous at3. 8(x)gix=2x+3;x= -36. f(x) = Jx;x = -1if x #0:0,if x = 05. h(x) =12. f(x) =ォ-3For example,cular productcan be givenas a point.the given points.x +4In Problems 13-16, give a reason its domain.8. f(x) =x² - 4x +4||7. f(x) =_ブ2, 0X - 2-;2,-26.13. f(x) = 2x² - 3

Answered: Image /qna-images/answer/88df9d14-e116-4527-9547-5984ffad27f4.jpg

Answered: the given points. 7. f(x) = X - 2 x+4…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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In Problems 23–30, use the given zero to find the remaining zeros of each function. 23. f(x) = x - 4x² + 4x – 16; zero: 2i 24. g(x) = x + 3x? + 25x + 75; zero: -5i 25. f(x) = 2x* + 5x + 5x? + 20x – 12; zero: -2i 26. h(x) = 3x4 + 5x + 25x? + 45x – 18; zero: 3i %3D 27. h(x) = x* – 9x + 21x? + 21x – 130; zero: 3 - 2i 29. h(x) = 3x³ + 2x* + 15x³ + 10x2 – 528x – 352; zero: -4i 28. f(x) = x* – 7x + 14x2 – 38x – 60; zero:1 + 3i 30. g(x) = 2x – 3x* – 5x – 15x² – 207x + 108; zero: 3i
In Problems 33–44, determine algebraically whether each function is even, odd, or neither. 34. f(x) = 2x* –x? 38. G(x) = Vĩ 33. f(x) = 4x 37. F(x) = V 35. g(x) = -3x² – 5 39. f(x) = x + |x| 36. h (х) — Зx3 + 5 40. f(x) = V2r²+ 1 x² + 3 -x 42. h(x) =- 1 2x 44. F(x) 41. g(x) 43. h(x) x2 - 1 3x2 - 9
In Problems 23–28, answer the questions about the given function. x² + 2 26. f(x) = x + 4 23. f(x) = 2x? - x - 1 (a) Is the point (-1, 2) on the graph of f? (b) If x = -2, what is f(x)? What point is on the graph of f? (c) If f(x) = -1, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 24. f(x) = -3x² + 5x (a) Is the point (-1, 2) on the graph of f? (b) If x = -2, what is f(x)? What point is on the graph of f? (c) If f(x) = -2, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. x + 2 (a) Is the point ( 1,) on the graph of f? (b) If x = 0, what is f(x)? What point is on the graph of f? (c) If f(x) =5. what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if…
In Problems 27–36, verify that the functions f and g are inverses of each other by showing that f(g(x)) = x and g(f(x)) any values of x that need to be excluded. = x. Give 27. f(x) = 3x + 4; g(x) = (x- 4) 28. f(x) = 3 – 2x; g(x) = -(x – 3) 29. f(x) = 4x – 8; 8(x) = + 2 30. f(x) = 2x + 6; 8(x) = ;x - 3 31. f(x) = x' - 8; g(x)· Vx + 8 32. f(x) = (x – 2)², 2; g(x) = Vĩ + 2 33. f(x) = ; 8(x) = 34. f(x) = x; g(x) x - 5 2x + 3' 2x + 3 4x - 3 3x + 5 35. f(x) *: 8(x) = 8(x) 36. f(x) = 1- 2x x + 4 2 - x 1.7 82 CHAPTER 1 Graphs and Functions In Problems 37-42, the graph of a one-to-one function f is given. Draw the graph of the inverse function f"1. For convenience (and as a hint), the graph of y = x is also given. 37. y= X 38. 39. y =X 3 (1, 2), (0, 1) (-1,0) (2. ) (2, 1) (1, 0) 3 X (0, -1) -3 (-1, -1) 3 X -3 (-2, -2) (-2, -2) -하 -하 -하 40. 41. y = x 42. y = X (-2, 1). -3 3 X (1, -1)
If ƒ(x) = x* 1 show that f (-2) = f (2). 4
In Problems 29–40: (a) Find the domain of each function. (d) Based on the graph, find the range. (b) Locate any intercepts. (e) Is f continuous on its domain? S3x 14 (c) Graph each function. S2r 29. f(x) : if x + 0 S-2x + 3 3x – 2 if x 1 x + 3 2x + 5 if -3 sx0 S1 + x if x 0 35. f(x) : 36. f(x) = 37. f(x) if x 20 S2 - x if -3 sx1
If p(x) ab and q(x) = cb*, which function represents (pq)(x) ?
to STUDENTS of 5さ WHAT FUNCTION =C(x) =
In Problems 13–24, use the graph of the function f given.
10) Find (¹)(3) if f(x)=x²+x-1.
zyBooks My library E Google Docs VHL Central | Dash. Webspace WTO TO For the following exercises, find f(x) for each function.
15, 16, 17, 18, 19 and 20 Find a power series representation for the function and determine the radius of convergence.

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the given points. 7. f(x) = X - 2 x+4 ;-2, 0 8. f(x) = x² – 4x +4 - %3D 6. ; 2, -2