(26) Let f(x) = x?e=*. For what value(s) of x does f(x) have a horizontal tangent? (a) Find the linear approximation L(x) of f(x) = cos(x - ) at a = 0. %3D (b) Use this to approximate cos(").

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 35CR
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(26) Let f(x) = x²e=*. For what value(s) of x does f(x) have a horizontal tangent?
(a) Find the linear approximation L(x) of f(x) = cos(x -) at a = 0.
(b) Use this to approximate cos(
3
Transcribed Image Text:(26) Let f(x) = x²e=*. For what value(s) of x does f(x) have a horizontal tangent? (a) Find the linear approximation L(x) of f(x) = cos(x -) at a = 0. (b) Use this to approximate cos( 3
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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,