Imagine this: the altitude of an airplane coming in for landing is represented by the equation shown below, where y represents the altitude, in feet, of the airplane and x represent the number of minutes the plane has been descending: Y= -750x + 30,000 Part C: Which ordered pair (from the table in part A) represents the initial value? What does the initial value represent in this problem (1-2 sentences)

Part D: What is the rate is change in this equation? What does the rate of change represent in this problem? (1-2 sentences)