tara just bought her first car in order to commute to college, a used RAV4 the value of the car today id 13,000$ but will lose 11% of its value each year for the next several years. Down the road tara will trade the rav4 in for a down payment on a newer car if she trades in her car 4 years from now how much will it be worth y=a(1-r)^x

second part: tara decides to keep the car for a few years longer if she decides to trade in her car 8 years from now how much will it be worth y=a(1-r)^x

PLEASEE NEED ASAP