#### Answer

(d).

#### Work Step by Step

This parabola is opening upward with a minimum at $x=0$. Its derivative will be negative when $x\lt0$, zero at $x=0$, and positive when $x\gt0$, matching graph-(d).

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Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

(d).

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