Answer
$f(x)=|x~cos~x|$ matches with the graph labeled (d).
Work Step by Step
$|x~cos~x|\geq0$ for all $x$. The graph must be completely above the x-axis.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.5 - Graphs of Other Trigonometric Functions - 6.5 Exercises - Page 476: 65
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