Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 2 - Functions - 2.4 Preview of Transformations: Shifts - Exercises and Problems for Section 2.4 - Skill Refresher - Page 94: S1

Answer

$$\pm2$$

Work Step by Step

Plugging in the given value of x, we find: $$ =\sqrt{4} \\ =\pm2$$
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