The function y=200-6x models the amount of gallons of gas left in Marissa’s car after driving x number of miles. Which of the following statements properly interprets a key feature of this model?
Each mile increases the total amount of gas in the car by 6 gallons.
Before any miles are driven, the car contains 200 gallons of gas.
Each mile uses 200 gallons of gas.
Before any miles are driven, the car contains 6 gallons of gas.