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.

Question

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.

Quizplus · Accepted Answer

The Answer of 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.

The Contour Graph and Its Associated Three-Dimensional Graph Are