Precalculus (6th Edition) Blitzer

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 863: 63

Answer

See graph and explanations.
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Work Step by Step

Based on the given conditions, we can write the inequality as $y\geq-2x+4$ which can be shown with the red shaded area in the figure; the border line is solid as there is an equal sign in the inequality.
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