#### Answer

True

#### Work Step by Step

The derivative of a function $f$ at a point is the same as the tangent at that point, so if the derivative is negative at a point, then the value of $f'$ at the same point will also be less than zero.

Published by
Wiley

ISBN 10:
0-47064-772-8

ISBN 13:
978-0-47064-772-1

True

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