Question

what is f(5) if f(1) = 3.2 and f(x + 1) = (f(x))

Answer 1

F(1+1)=f(1)
F(2)=3.2
F(2+1)=f(2)
F(3)=3.2
Do the same till you reach f(5)

Answer 2

f(x+1) = f(x)

f(5) = f(4) = f(3) = ...