Answer
if the temperature and the wind speed is $-15C$ and $40km/h$, then the air would feel the same as $-27C$ with no wind.
Work Step by Step
$f(-15, 40)$
$f(-15, 40) = -27$
$f(T,v) = f(-15,40) =-27$
$T=-15$ and $v=40$ and $w = -27$
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Chapter 14 - Partial Derivatives - 14.1 Functions of Several Variables - 14.1 Exercises - Page 939: 1
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