Question

F(x) = x² + 10
What is the average rate of change of f over the interval [ -2,-1?​

Answer 1

-3

Explanation:

f(-2) = (-2)^2 + 10 = 14 -> (-2, 14)

f(-1) = (-1)^2 + 10 = 11 -> (-1, 11)

(11-14)/(-1-(-2)) = -3/1 = -3