Answer:
Step-by-step explanation:
The rate of change or slope is defined as
m=(y2-y1)/(x2-x1)
Using any two points on the line we can find this rate of change, I’ll use points
(0,2) and (4,10) then
m=(10-2)/(4-0)
m=8/4
m=2
So he travels 2 kilometers per trip.
