Answer
$\{x|-\frac{1}{3}\lt x \le \frac{1}{3}\}$
see graph.
Work Step by Step
Multiply 6 to each side,
$2\lt 3x+3 \le4$
$-1\lt 3x \le1$
thus $\{x|-\frac{1}{3}\lt x \le \frac{1}{3}\}$
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: 82
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