College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 3 - Review Exercises - Page 269: 28


The graph represents a function.

Work Step by Step

RECALL: (1) In a graph that represents a function, all vertical lines will pass through at most one point only (vertical line test). (2) If a vertical line passes through the graph at more than one point, then the graph does not represent a function. Notice that all vertical lines will pass through the graph one time at most. This means that the graph does represents a function.
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