Answer
$77.1$
Work Step by Step
$T(5,3.8)\approx T(6,4)+T_x(6,4)(5-6)+T_y(6,4)(3.8-4)\approx 80+3.5(5-6)+(-3)(3.8-4)$
$=77.1$
Calculus: Early Transcendentals 8th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1285741552
ISBN 13:
978-1-28574-155-0
Chapter 14 - Review - Exercises - Page 983: 12
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