Answer
A
Work Step by Step
This problem is the same as problem 7, except the end points are now included. Thus, we look for the same graph, except the ends should be marked by parenthesis. Doing this, we find that A is the solution.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 9 - Inequalities and Problem Solving - 9.2 Intersections, Unions, and Compound Inequalities - 9.2 Exercise Set - Page 590: 8
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