Answer
domain $[-2,18]$, range $[-2,12]$
Work Step by Step
1. We can identify the equation as an ellipse centered at $(8,5)$ with a horizontal major axis and $a=10,b=7$
2. We can find its domain as $[-2,18]$ and range as $[-2,12]$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 10 - Analytic Geometry - Test - Page 1003: 6
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