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: 1


$\color{blue}{(-\infty, -6)}$

Work Step by Step

The given inequality is "$x$ is less than $-6$." The numbers included in this set are the numbers that are less than $-6$, which are to the left of $-6$ on the number line. The equivalent interval notation of the given inequality will have: $\bf\text{lower limit:}$ none, so negative infinity will be used. $\bf\text{upper limit:}$ $-6$, but a parenthesis will be used since $-6$ is not included Therefore, the interval is: $\color{blue}{(-\infty, -6)}$
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