You have purchased a new car for $17000 and expect the value of the car to decrease by 10% each year. Write the exponential decay model for the value V of the car after t years.

1. V = 17000 (0.9)^t

2. V = 17000 (0.9t)

3. V = 17000 (0.1)^t

4.V =17000−0.1t