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: 3

Answer

D: {$x| x \ne -4$}

Work Step by Step

Set the denominator not equal to 0 (since a denominator is not allowed to be zero). $x+4\ne0$ $x\ne-4$ Thus, the domain is D: {$x| x \ne -4$}
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