Precalculus (10th Edition)

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

Chapter 3 - Linear and Quadratic Functions - 3.5 Inequalities Involving Quadratic Functions - 3.5 Assess Your Understanding - Page 160: 2

Answer

$-2< x \leq7$

Work Step by Step

$(-2,7]$ means all the numbers between -2 and 7, excluding -2 and including 7, hence $-2< x \leq7$.
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