The contour graph
and its associated three-dimensional graph are given below. At
will
decrease more quickly as x decreases or as y decreases? Justify your answer.

A)
decreases at the same rate in both directions because the contours are parabolic.
B)
will decrease more quickly when x decreases because the difference in contours is greater in that direction.
C)
will decrease more quickly when x decreases because the contours have negative slope in that direction.
D)
will decrease more quickly when y decreases because the difference in contours is greater in that direction.
E)
will decrease more quickly when y decreases because the contours have negative slope in that direction.
Correct Answer:
Verified
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