Answer
A
Work Step by Step
$f$ is descending when $x\lt0$. So, $f'\lt0$ when $x\lt0$
When $x=0$, $f'=0$
$f$ is ascending when $x\gt0$. So, $f'\gt0$ when $x\gt0$
The graph of $f$ matches with thhe graph of $f'$ labeled as A.
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 10 - Section 10.5 - Derivatives: Numerical and Graphical Viewpoints - Exercises - Page 754: 61
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