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 - 2.4 Library of Functions; Piecewise-defined Functions - 2.4 Assess Your Understanding - Page 90: 8

Answer

False.

Work Step by Step

False, because for $x=0$ the reciprocal function is undefined, hence its domain is not the set of all the real numbers.
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