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: 1

Answer

$x\gt -3$

Work Step by Step

Add $2$ to both sides: $-3x\lt 9.$ Divide both sides by $-3$. The inequality sign will change to its opposite because a negative number is being divided to the inequality $x\gt-3$.
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