divided by the change in x section 2 4 Example Number of Fish 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 Population P t Example C 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 time yrs b a Find the average rate of change slope in the population from t 0 to t 5 Find the average rate of change slope in the population from t 15 to t 25 C Find the average rate of change slope in the population from t 35 to t 40 d What does a large value for the slope mean about the fish Find the average rate of change of the function f x 2x 4x 5 from x 0 to x 2