Question

Find the average rate of change of the function below over the interval (-4,-1).

Answer 1

-2

Explanation:

`(f(b)-f(a))/(b-a)\\ \\=(f(-1)-f(-4))/(-1-(-4))\\ \\=(-4-2)/(-1+4)\\ \\=(-6)/(3)\\ \\=-2`

Therefore, the average rate of change over the interval [-4,-1] is -2.