Answer:
C
Step-by-step explanation:
I'm going to assume that when you write a period you mean *
A recursive rule is pretty much asking "how do i get a specific number in the sequence"
we can see that each time we mulitply by 3 which means that to get say the 3rd number we would take the 2nd and mulitply it by 3
which means we can write
f(n-1)*3
which is C
