Intermediate Algebra for College Students (7th Edition)

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

Chapter 2 - Section 2.2 - Graphs of Functions - Exercise Set - Page 122: 16


$y$ is not a function of $x$

Work Step by Step

The vertical line test states that a graph is not a function if a vertical line can pass through multiple points on the graph. Because the vertical line $x=-3$ intersects the graph of the line infinite times, it is not a function.
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