Question

Suppose that a car rental agency charges a fixed amount per day plus an amount per mile for renting a car. Heldi rented a car one day and paid $68 for 190 miles. On another day she rented a car from the same agency and paid $96 for 330 miles. Find the linear function () (where x is in miles and f(x) is in dollars) that the agency could use to determine iti daily rental charges.

Answer 1

change fincharge + het mile change one day paid = $68 for 190 miles Second day paid = $ 96 for 330 miles fla) = ? et let fix charge = y poe mile chalige 68= 4+19 on - 96 = 4+ 3302- from cis and (ii) -He0. 24330 Sexfixe charge - 30 eenstallasje peu mile =0.2 Say Charge 3 30 +0.22 fa) = 30+ 0.2x ne no. of mites