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: 30

Answer

$(-2, 0)$ Refer to the graph below.

Work Step by Step

The given inequality is $-2\lt x \lt 0$. Both inequality symbols are less than so left and right parentheses will be used. Thus, the interval notation is $(-2,0)$. To graph, use parentheses at $-2$ and $0$, then shade the region in between. Refer to the graph below.
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