Question

How to find the average rate of change for f(x)=2^x;[2,4]​

Answer 1

6

Explanation:

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

So the average rate of change for
`f(x)=2^x` on
`[2,4]` is:

`(2^4-2^2)/(4-2)=(16-4)/(2)=(12)/(2)=6`.