A function f has f(5) = 20, f’(5) = 2, and f”(x)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter8: Linear Functions
Section8.7: Function Notation
Problem 17E
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A function f has f(5) = 20, f’(5) = 2, and f”(x)

 

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Step 1

It is given that

                                                 f5=20f'5=2

For                                           f''x

Since the double derivative of the function is negative f''x<0 means function is concave downwards and the slope is positive at x=5 but decreasing with respect to x.

 

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