Answer
$-f(x)$; $f(-x)$
Work Step by Step
The value $-f(x)$ shifts the graph across the x-axis as it just changes the signs of all of the outputs. However, $f(-x)$ changes the input to its opposite, hence shifting the graph across the y-axis.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - 2.5 - Transformations of Functions - 2.5 Exercises - Page 210: 2
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