please help asap!!!!!! the first answer will get brainliest!!!!!!!!!!!!

Charles is thinking about buying a car for $18,500. The table below shows the projected value of two different cars after owning it for 'x' years:

Car A
# of years (x)
1
2
3
values f(x)
17,390
16,346.60
15,365.80

Part A (1 pt): Circle one. The function of Car A is LINEAR or EXPONENTIAL.

Part B: (2 pt) Create a function to describe the value. f(x) =

Part C: (2 pt) When x = 9, what is the value of f(x)? (Show your work)

Car B # of years (x)
1
2
3
values of g(x)
17,750
17,000
16,250

Part A (1 pt): Circle one. The function of Car B is LINEAR or EXPONENTIAL.

Part B: (2 pt) Create a function to describe the value. g(x) =

Part C: (2 pt) When x = 9, what is the value of g(x)? (Show your work)​