Respuesta :

devishri1977

Answer:

f(1) = 31

Step-by-step explanation:

f(n+1) =f(n)  -3

f(4)     = f(3 + 1) = f(3) - 3

f(3)- 3 = 22

     f(3) = 22 +3

    f(3) = 25

The previous term {f(3)} is got by adding 3 to next term {f(4)}

f(2) = 25 + 3 = 28

f(1) = 28 + 3 = 31