Multiple Choice
The contour graph and its associated three-dimensional graph are given below. At
does
increase when x increases or when x decreases? Justify your answer.
A) increases in both directions because the contours are parabolic.
B) increase when x increases because the contours are nearly vertical.
C) increase when x increases because the contours increase in that direction.
D) increase when x decreases because the contours are nearly vertical.
E) increase when x decreases because the contours increase in that direction.
Correct Answer:

Verified
Correct Answer:
Verified
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