Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 1 - Linear Functions and Change - Strengthen Your Understanding - Page 60: 5

Answer

Yes

Work Step by Step

Consider the equation of a circle. $y$ and $x$ are related to each other, yet it is not a function as the relation fails the vertical line test.
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