Question

Find the average rate of change of g(x) = 2x² + on the interval [-1,2]

Answer 1

Below

Explanation:

Interval is -1 to 2 = 3 units

value at -1 2(-1)^2 = 2

value at 2 2 (2^2) = 8

(8-2) / 3 = 6/3 = 2 /unit rate of change