Omari drives a car that gets 18 miles per gallon of gasoline. The car’s gasoline tank holds 15 gallons. The distance Omari drives before refueling is a function of the number of gallons of gasoline in the tank. Identify a reasonable domain for this situation.
 a
0 to 15 gallons
 b
0 to 18 miles
 c
0 to 60 mph
 d
0 to 270 miles