A driving service, like Uber or Lyft, charges the following, as modeled in the table, per mile driven.

Miles Driven Cost
0 $10
1 10.70
2 11.40
3 12.10
4 12.80
What is the rate of change/cost per mile driven?

What does the first point (0, 10) represent in real life terms?

Using m to represent miles and C(m) to represent the cost, what equation models the function in the table?