Five years ago, Bill paid $30,000 for his new car. He wants to sell his car and creates this graph of a linear function to model the value of his car. The manager of a used car dealership models the value of the car with the exponential function M(t) = 30,000(0.85)t.
According to Bill’s calculation, the value of the car after five years is ?
According to the manager’s calculations, the value is ?