Intermediate Algebra: Connecting Concepts through Application

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: 31

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.
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