Algebra and Trigonometry 10th Edition

by Larson, Ron

Published by Cengage Learning

ISBN 10: 9781337271172

ISBN 13: 978-1-33727-117-2

Chapter 6 - 6.4 - Graphs of Sine and Cosine Functions - 6.4 Exercises - Page 464: 15

Answer

$g(x)$ is the reflection over the $x$-axis of $f(x)$

Work Step by Step

We are given: $f(x)=\cos 2x$ $g(x)=-\cos 2x$ There is a negative in $g(x)$ comparing to $f(x)$, so that shows a reflection over the $x$-axis.

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