Answered: 33. f(x) = x² + 2x 34. f(x) = x² – 4x…

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 33–48, (a) graph each quadratic function by determining whether its graph opens up or down and by finding its vertex, axis of
symmetry, y-intercept, and x-intercepts, if any. (b) Determine the domain and the range of the function. (c) Determine where the function
is increasing and where it is decreasing

33. f(x) = x² + 2x
34. f(x) = x² – 4x
35. f(x) = -x – 6x
36. f(x) = -x² + 4x
37. f(x) = x? + 2x – 8
38. f(x) = x² - 2x – 3
39. f(x) = x² + 2x + 1
40. f(x) = x² + 6x + 9
146 CHAPTER 3 Linear and Quadratic Eunetions
41. f(x) = 2x? – x + 2
45. f(x) = 3x2 + 6x + 2
42. f(x) = 4x? – 2x + 1 \43. f(x) = -2x? + 2x – 3
46. f(x) = 2x² + 5x + 3
44. f(x) = -3x² + 3x – 2
-X
47. f(x) = -4x – 6x + 2
48. f(x) = 3x2 – &r + 2
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