Answer
(a)
Work Step by Step
We see that the slope of the graph is never negative -- it is either zero or positive. This only matches graph (a).
University Calculus: Early Transcendentals (3rd Edition)
by Hass, Joel R.; Weir, Maurice D.; Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0321999584
ISBN 13:
978-0-32199-958-0
Chapter 3 - Section 3.2 - The Derivative as a Function - Exercises - Page 125: 28
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