Precalculus (6th Edition) Blitzer

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

Chapter 1 - Section 1.9 - Distance and Midpoint Formulas; Circles - Exercise Set - Page 280: 48


$C(-4,-5), r=6$ . See graph. Domain $[-10,2]$ and Range $[-11,1]$ .

Work Step by Step

Step 1. Given the equation $(x+4)^2+(y+5)^2=36$, compare with the standard form for a circle, we can identify the center and radius of the circle as $C(-4,-5), r=6$ . Step 2. See graph for the equation as shown in the figure. Step 3. Based on the graph, we can identify: Domain $[-10,2]$ and Range $[-11,1]$ .
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