Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 2 - Functions and Their Graphs - 2.1 Functions - 2.1 Assess Your Understanding - Page 56: 13



Work Step by Step

The domian is not given, so we take the largest set of real numbers for which the image of the function is a real number. Example: The domain of $f(x)=\sqrt{x}$ is {$x|x\ge0$}.
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