Answer #11

Exercises 11 and 12 are based on the graph below, which shows how the price of a certain stock varied over a recent trading day. $12 $10 $8 $6 nollen 19q 25 $4 8:00 9:00 10:00 11:00 12:00 1:00 2:00 Til. (a) Find the average rate of change of the stock's price between 8:00 A.M. and 2:00 P.M. (b) Find the average rate of change of the stock's price between 9:00 A.M. and 1:00 P.M. (c) Estimate the instantaneous rate of change of the stock's price at 9:15 A.M. Fin