Use the Figure Below to Answer the Following Question

Multiple Choice

Use the figure below to answer the following question. Figure 1A.2.6
-Refer to Figure 1A.2.6.Which one of the following statements is true?

A) x and y are positively related at all points between A and D.
B) x and y are negatively related at all points between points B and D.
C) y reaches a maximum at point C.
D) y reaches a minimum at point C.
E) x and y are unrelated.