Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Test - Page 305: 1


b, c, d.

Work Step by Step

Using the definition of functions and the vertical line test, we can identify the following relations as not being functions. b. multiple values for the same $x=5$ c. failed the vertical line test. d. multiple values for the same $x$: $y=\pm\sqrt {100-x^2}$
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