Which of these functions describes the sequence 3,6,9,12...3, 6, 9, 12...3,6,9,12...?
f(n)=n+3f(n) = n + 3f(n)=n+3
f(n)=3nf(n) = 3nf(n)=3n
f(n)=n3f(n) = n^3f(n)=n3
f(n)=3+nf(n) = 3 + nf(n)=3+n