What is the value, after 7 years, of a 2014 ford mustang that originally costs $25000.00 if it depreciates at a rate of 8% per year?

An incoming airplane is x miles due north from the control tower at an airport. a second incoming airplane is y miles due east of the same control tower. the shortest distance between the two airplanes is z miles. which of the following functions would best model the situation above?