Question

What's the rate of change of -7≤x≤-2

Answer 1

4

Explanation:

Rate of change forumla

`m = (y2 - y1)/(x2 - x1)`

We have our X points, -7 and -2. Now to find the Y value at those places.

For -7, Y is 5

For -2, Y is 25

Now we plug this into the equation

`= (25 - 5)/( - 2 - ( - 7)) = (20)/(5) = 4`