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 219: 20

Answer

$ (5,\infty)$

Work Step by Step

Step 1. Identify boundary points (zeros) as $x=-2,5$ which divide the x-axis into three intervals $(-\infty,-2),(-2,5),(5,\infty)$ Step 2. Choose test values in each interval $x=-3,0,6$ and test the inequality to get $False,\ False, \ True$ Step 3. Thus the solution interval is $ (5,\infty)$
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