Answer Happy

The graph of the function shown to the right illustrates a certain stock market index for the year 2010. Each tic mark on the horizontal axis represents the first opening day of the market for that given month. Use the graph to answer parts (a) through (h) below. a. Over which month(s) did the index decrease? Select all that apply. B. April F. February J. December A. October E. June ☐I. November C. March G. May K. August Value ($) 2010 Stock Market Index A 13000+ 12000- 11000- 10000- 9000- 8000- Jan Mar May Jul Sep Nov Jan D. July H. January L. September

b. Over which month(s) did the index stay relatively the same? Select all that apply. B. May F. September J. February A. June E. November OI. April c. Over which month(s) did the index increase? Select all that apply. A. December E. October I. June d. Over the month of B. February F. November J. July the value increased most rapidly. C. March ☐G. January K. August C. August ☐G. September K. March 00 000 D. July H. October L. December D. May H. January L. April

d. Over the month of the value increased most rapidly. e. Approximate the index's value at the beginning of 2010. The index's value was approximately $. f. Approximate its value at the end of 2010. The index's value was approximately $ g. Approximately how much did the index's value increase over 2010? Approximately $ was gained. h. Approximate the average gain per month. On average, the gain was $ (Round to the nearest dollar as needed.) was per month.