Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 1: Functions - Section 1.1 - Functions and Their Graphs - Exercises 1.1 - Page 11: 8

Answer

(a) is not (b) is not

Work Step by Step

(a) This is not a function, for it fails the vertical line test, meaning that a vertical line can intersect the graph more than one time. (b) This is not a function, for it fails the vertical line test, meaning that a vertical line can intersect the graph more than one time.
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