The graph of is given in the figure below.

(Click on the graph for a larger version.)

Draw graphs of and , assuming both go through the origin, and use them to complete the following statements (enter the -values as x1, x2, etc.):

A. is greatest at
B. is least at
C. is greatest at
D. is least at
E. is greatest at
F. is least at

You can earn partial credit on this problem.