Answer
True
Work Step by Step
This is called the vertical line test. This allows us to test to see if the given relations are functions or not.
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 10 - Compositions, Inverses, and Combinations of Functions - Strengthen Your Understanding - Page 430: 27
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