Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 1 - Functions - 1.1 Review of Functions - 1.1 Exercises - Page 10: 12


B is a function while A isn't

Work Step by Step

For the black graph(A) we see a circle like object near O. We see we can easily draw a vertical line through 2 points right of the origin. Graph B is obviously a cubic function studied earlier in algebra. We CANNOT draw a vertical line through more than one point.
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