Answer
Not a function
Work Step by Step
This equation is not a function because it is in standard form of an equation for a circle. Circles do not pass the vertical line test so they are not functions.
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 1 - Linear Functions - 1.7 Functions and Function Notation - 1.7 Exercises - Page 107: 31
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