Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 9 - Inequalities and Problem Solving - Review Exercises: Chapter 9 - Page 623: 47

Answer

We care about solutions to both.

Work Step by Step

With a system of inequalities, we care about what points are solutions to both equations, not what solutions are valid for either equation. Thus, we care about the intersection of the two inequalities and not the union.
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