Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Appendix A - Review - A.9 Interval Notation; Solving Inequalities - A.9 Assess Your Understanding - Page A79: 28

Answer

$(-1, 5)$ Refer to the graph below.

Work Step by Step

The given inequality is $-1\lt x \lt 5$ Left and right parentheses indicate that $-1$ and $5$ are not a part of the graph. Thus, the closed interval is $(-1,5)$. To graph the inequality, use open and close parentheses at $-1$ and $5$ respectively, then shade the region in between. Refer to the graph below.
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