Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 4 - Cumulative Review Exercises - Page 311: 15


graphs a) and b)

Work Step by Step

The Vertical Line Test says that every vertical line drawn can only intersect the graph in at most one point for the graph to represent a function. Here, graphs a) and b) pass this test, so these are functions.
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