Question

Given `f(x) = 4x + 1` how do you find the average rate of change over [-6,5]?

Answer 1

Memorize this: The average rate of change of function `f` over interval `[a,b]` is `(f(b)-f(a))/(b-a)`.

Explanation:

`(f(5)-f(-6))/(5-(-6)) = 4`