The functions f and g are continuous and differentiable for all values of x. The continuous function h(x) is given by h(x) = f(g(x)) - x². The table at the right gives values of f(x), f'(x), g(x), and g'(x) at selected values of x. X f(x) f'(x) g(x) g'(x) 2 38 0 6 -3 a. Explain why there must be a value x for 2 < x < 8 such that h(x) = 0. b. Show that there must be an x = c, 4 < c < 6, such that h' (c) = 0. 4 12 9 8 -4 6 9 -5 2 6 8 18 12 4 3

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.CR: Chapter 4 Review
Problem 5CR: Determine whether each of the following statements is true or false, and explain why. The chain rule...
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The functions f and g are continuous and
differentiable for all values of x. The
continuous function h(x) is given by
h(x) = f(g(x)) — x². The table at the right
gives values of f(x), ƒ'(x), g(x), and g'(x) at
selected values of x.
f(x)
f'(x)
g(x)
2
38
0
6
-3
a. Explain why there must be a value x for 2 < x < 8 such that h(x) = 0.
b. Show that there must be an x = c, 4 < c < 6, such that h'(c) = 0.
4
12
9
8
6
9
-5
2
6
8
18
12
4
3
Transcribed Image Text:The functions f and g are continuous and differentiable for all values of x. The continuous function h(x) is given by h(x) = f(g(x)) — x². The table at the right gives values of f(x), ƒ'(x), g(x), and g'(x) at selected values of x. f(x) f'(x) g(x) 2 38 0 6 -3 a. Explain why there must be a value x for 2 < x < 8 such that h(x) = 0. b. Show that there must be an x = c, 4 < c < 6, such that h'(c) = 0. 4 12 9 8 6 9 -5 2 6 8 18 12 4 3
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