Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Appendix A - Equations and Inequalities: 92

Answer

The equivalent interval notation is $(-3, 1)$.

Work Step by Step

$-7$ $\lt$ $2 + 3x$ $\lt$ $5$ $-7 - 2$ $\lt$ $3x$ $\lt$ $5 - 2$ $- \frac{9}{3}$ $\lt$ $x$ $\lt$ $\frac{3}{3}$ $-3$ $\lt$ $x$ $\lt$ $1$ The equivalent interval notation is $(-3, 1)$.
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