The value of a new car is $30,000. The car will lose 12% of its value each year. Write an exponential function that models the value of the car after five years.

f(x) = 30,000(0.88)^x

where x = 5

impatient much?

Once is enough, thank you.
Repeated postings will not get faster or better responses.

one is for five years and the other is for one

okay -- sorry

But the first answer showed you how to do the second.