NEED ASAP

The equation V(t)=12,000(0.75)^t represents the value of a motorcycle t years after it was purchased. Which statement is true?
1) The motorcycle cost $9000 when purchased.
2) The motorcycle cost $12,000 when purchased.
3) The motorcycle's value is decreasing at a rate of 75% each year.
4) The motorcycle's value is decreasing at a rate of 0.25% each year.