Answer
$(-\infty,-3].$
Work Step by Step
According to the picture, $y_1\geq y_2$ when $x$ is in the interval $(-\infty,-3].$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 4 - Section 4.1 - Solving Linear Inequalities - Exercise Set - Page 262: 43
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