Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - Cumulative Test Prep - Multiple Choice: 4

Answer

G: (1,1)

Work Step by Step

This is the point because if the relation is not a function then it does not pass the vertical line test or there can be 2 different range values for exactly 1 domain value. (1,1) is the point because there is also another value for the domain value of 1 in the graph which is -1. If we plot this point and we were to draw a vertical line through this point we would hit the other point that also shares the domain value. Therefore we need a point that already has its x-value being used for another point in order to make the relation not a function.
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