Calculus (3rd Edition)

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

Chapter 3 - Differentiation - 3.1 Definition of the Derivative - Preliminary Questions - Page 102: 1

Answer

$ B $ and $ D $

Work Step by Step

The lines $ B $ and $ D $ in Figure 11 are tangent to the curve. The term "tangent" means touching, but not crossing.
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