Real Estate The following graph (see Exercise 51) shows the home price ind...

Real Estate The following graph (see Exercise 51) shows the home price index chart emailed to Marjory Duffin by a real estate broker:

Use the graph to answer the following questions:

a. What was the average rate of change of the index over the 10-year period beginning 2004?

b. What was the average rate of change of the index over the period [3, 10]?

c. Which of the following is correct? Over the period [4, 6],

(A) The rate of change of the index increased.

(B) The rate of change of the index increased and then decreased.

(C) The rate of change of the index decreased.

(D) The rate of change of the index decreased and then increased.