Precalculus (6th Edition) Blitzer

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

Chapter 11 - Section 11.4 - Introduction to Derrivatives - Exercise Set - Page 1175: 47


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Work Step by Step

Imagine that we draw a secant line between points P and Q. Let point Q move towards point P. The secant line will get closer to the tangent line to the graph at point P. Thus, we can say that the tangent line is the limit of the secant lines when point Q approaches point P.
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