Which function gives the correct recursive formula for the sequence?

9, 13, 17, 21, 25, 29
Responses

a1 = 4; an = an −1 +9
a1 = 4; an = an −1 +9

a1 = 9; an = an −1 + 13
a1 = 9; an = an −1 + 13

a1 = 9; an = an −1 +4
a1 = 9; an = an −1 +4

a1 = 13; an = a9 + 9

None of the given options provide the correct recursive formula for the sequence.