# How do you find the average rate of change of #f(x)=x^2+2# over [-2,1]?

##### 1 Answer

Oct 13, 2015

#### Explanation:

This is equivalent to asking for the average slope of the function between the 2 endpoints.

So we can find the function values at the 2 endpoints and then join the 2 and find the gradient of the straight line joining them.

Thus gradient