Please help me I will give you extra points and whoever the first one to answer I mark you with the brain thing. 8

Answer:
C
Step-by-step explanation:
The rate of charge is how often you are charged something. If x represents miles than every ? miles you are charged 2.5. The 3 at the end is the y intercept or the point where you start so no matter how many miles you go you automatically owe 3 dollars