Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Cumulative Review Exercises - Page 647: 13

Answer

See graph and explanations.
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Work Step by Step

Step 1. This equation is in the standard form of a circle with center $C(2,0)$ and radius $r=1$ Step 2. We can graph the equation as shown in the figure.
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