Answer
$\{x|-3\le x\le3\}$
See graph.
Work Step by Step
$-3\le 3-2x\le9$
$-6\le -2x\le6$
$-3\le x\le3$
thus $\{x|-3\le x\le3\}$
See graph.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.10 Internal Notation; Solving Inequalities - A.10 Assess Your Understanding - Page A87: 72
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