Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.1 Real Numbers, Functions, and Graphs - Exercises: 59

Answer

(B)

Work Step by Step

A function cannot have two values of y for one value of x. In other words, if you draw a vertical line from any point on the x-axis it can only cross the function once. The only graph that satisfies this criteria is (B).
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