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.
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
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
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