a car rental company charges a fixed amount per day plus an amount per kilometers travelled for renting a car. Peter paid $80 for driving the car for 100kilometers on one day. He paid $100 for driving the same car for 150kilometers on another day. Find the function of the rental charger f(x) , where x is the distance travelled.作者: 壺一v一 時間: 13-3-8 12:11 PM