Respuesta :

kyle2187

Answer:

88859.375  &  f(n)= 28000(0.75)×

Step-by-step explanation:

using the information on the problem a function can can be made

f(n)= 28000(0.75)×

where x is the amount of years

plug in 4 for x in the equation to get

f(4)=8859.375