Answer:
1x +3= T
Step-by-step explanation:
x is the number of miles driven times 1
add 3 to the total charge per miles
This would be the average value of R(x) between 10 m and 50 m :

It’s 317 I know that bc I got it right when I had that question
No. -3=2(4)+1 simplifies down to -3=9 and that is not true