Question

WHAT'S THE AVERAGE CHANGE?

Answer 1

1) 2

2) 4

3) 8

Explanation:

You must apply the following formula:

`(f(x_2)-f(x_1))/(x_2-x_1)`

Substitute value, then you obtain:

x=1 and x=2

`(4-2)/(2-1)=2`

x=2 and x=3

`(8-4)/(3-2)=4`

x=3 and x=4

`(16-8)/(4-3)=8`