Answer
See the sample graphs below:
Work Step by Step
Thus, the graphs obtained by using a graphing utility resemble the hand-drawn graphs. We thus verify the graphs drawn by hand in previous exercises.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 7 - Section 7.5 - Systems of Inequalities - Exercise Set - Page 865: 105
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