Amanda bought a truck for $20,000. The value of the truck depreciates by 7 percent each year. Which of the following functions models this scenario, where x is the number of years? Question 20 options:

A) ƒ(x) = x2 – 7x + 20,000

B) ƒ(x) = 20,000 – 7x

C) ƒ(x) = 20,000(0.93)x

D) ƒ(x) = 20,000(1.07)x