When visiting Baltimore, Maryland, you need to rent a taxi to get from your hotel to the aquarium. Taxis R Us charges a flat fee of $3.00 for using the taxi, and $0.75 per mile.

Part A - Identify the independent and dependent variables.
Part B - Write a function that describes the situation. F(X) =
Part C - Solve - how much will it cost if the aquarium is 18 miles away?