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: 23


(a) $f(4)=1$ (b) $f(0.25)=2.5$ (c) $f(4x^2)=3-2x$

Work Step by Step

$f(y)=3-\sqrt y$ (a) $f(4)=3-\sqrt 4=3-2=1$ (b) $f(0.25)=3-\sqrt {0.25}=3-0.5=2.5$ (c) $f(4x^2)=3-\sqrt {4x^2}=3-2x$
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