A taxi company charges a flat fee plus a per-mile rate. The table shows the total cost (in dollars) for a ride of miles.
| Distance (miles) | Cost (dollars) |
|---|---|
| 1 | 7.50 |
| 3 | 13.50 |
| 5 | 19.50 |
If the relationship between the distance traveled and the total cost is linear, what does the -intercept of the graph of this relationship represent?
The cost per mile.
The initial fee for the ride.
The total cost for a 1-mile ride.
The maximum possible cost of a ride.
