Trigonometry (10th Edition)

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

Appendix A - Equations and Inequalities - Page 418: 94

Answer

$- \frac{3}{2}$ $\leq$ $x$ $\leq$ $3$ The equivalent interval notation is $[-\frac{3}{2}, 3]$.

Work Step by Step

$-6$ $\leq$ $6x + 3$ $\leq$ $21$ $-6 - 3$ $\leq$ $6x$ $\leq$ $21 - 3$ $- \frac{9}{6}$ $\leq$ $x$ $\leq$ $\frac{18}{6}$ $- \frac{3}{2}$ $\leq$ $x$ $\leq$ $3$ The equivalent interval notation is $[-\frac{3}{2}, 3]$.
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