Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.1 Real Numbers, Functions, and Graphs - Exercises - Page 10: 45

Answer

Domain: All real numbers Range: All real numbers $\geq 0$

Work Step by Step

Since the function is the absolute value of x, any value of x is valid as input for the function (domain), but the output (range) will always be positive.
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