Precalculus (10th Edition)

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

Chapter 4 - Polynomial and Rational Functions - 4.4 Polynomial and Rational Inequalities - 4.4 Assess Your Understanding - Page 220: 86

Answer

Set of all real numbers.

Work Step by Step

There are no numbers for which $f(x)=3$ is undefined, hence the domain is all the real numbers.
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