The answer is 90 miles per hour.
If we consider x having any other value then 0,1 or 2 then the answer is b.2x(x-1)
It's going to be going up. That means the answer is b.
Hope this helped☺☺
Answer:
Step-by-step explanation:

Answer:
you get 2 coordinates x one, y one, x two, and y two and then do rise over run which is y two - y one over x two - x one say x one is 4 and y one is 7 and x two is 8 and y two is 13 you say 13-7=6 and 8-4=4 so it is 6/4 hope that makes sense