Question

Which function below represents the arithmetic sequence 3, 7, 11, 15...?
A)f(n)=4+3(n-1)
B)f(n)=4+3n
C)f(n)=3+4n
D)f(n)3+4(n-1)

Answer 1

C.
3+4*0=3
3+4*1=7
3+4*2=11
3+4*3=15