Question

Could someone explain how to this, it would be much appreciated!

Answer 1

First do
`(12-6)/(4-2)`, then simplify it into
`(6)/(2)`, then, divide 6 by 2 to get 3. 3 is your rate of change.

Formula for slope/rate of change:
`(y2-y1)/(x2-x1)`

Hope this helped!