Answer
$$0.8$$
Work Step by Step
We have
$$\Delta g=g(1.2)-g(1)=g'(2) \Delta x=4(0.2)=0.8.$$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 4 - Applications of the Derivative - 4.1 Linear Approximation and Applications - Preliminary Questions - Page 172: 2
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