Question 322390
The 3.50 is simply the price per gallon.



Ex: g=1 which means C(1) = 3.50(1) = 3.50 (ie 1 gallon of gas costs $3.50)


when g=2, C(2) = 3.50(2) = 7.00 (ie 2 gallons of gas cost $7.00)


when g=3, C(3) = 3.50(3) = 10.50 (ie 3 gallons of gas cost $10.50)


etc...