Calculus (3rd Edition)

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

Chapter 15 - Differentiation in Several Variables - 15.1 Functions of Two or More Variables - Exercises - Page 765: 47

Answer

At point $A$.

Work Step by Step

Since at point $A$, it has shorter temperature distance from one level curve to the other than at point $B$ does, it is more sensitive to a change in temperature.
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