Choose the interval over which you need to find the average rate of change. Apply the formula and substitute the initial and final values of the interval. Avg (x) = ( f (j) – f (i) ) / ( j – i ) Example

Find the average rate of change of function f (y) = 3y2 + 5 on the y interval (-1, 3). Solution: Where value of set a = -1 and b = 3 so that “a” is the left interval, and b is the right side on interval. f (

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