Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 6 - Trigonometric Functions - 6.3 Properties of the Trigonometric Functions - 6.3 Assess Your Understanding - Page 394: 3

Answer

False.

Work Step by Step

False, because $f(x)\ne f(-x)$ because the domain of the function is only defined on $[0,\infty)$ but not on $(-\infty,0).$
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