Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.7 Inequalities - 1.7 Exercises - Page 158: 10


Option $C$

Work Step by Step

The graph has: no lower limit so infinity will be used; an upper limit of $-6$. Since a bracket was used, $-6$ is included. Therefore, the interval is: $\color{blue}{(-\infty, -6)}$
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