Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 2 - 2.2 - Functions - 2.2 Exercises - Page 182: 24


(a) $f(-8)=2$ (b) $f(1)=5$ (c) $f(x-8)=\sqrt x+2$

Work Step by Step

$f(x)=\sqrt {x+8}+2$ (a) $f(-8)=\sqrt {-8+8}+2=\sqrt 0+2=2$ (b) $f(1)=\sqrt {1+8}+2=\sqrt 9+2=3+2=5$ (c) $f(x-8)=\sqrt {x-8+8}+2=\sqrt x+2$
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