Which function gives the correct recursive formula for the sequence?
9, 13, 17, 21, 25, 29
Responses
A. a1 = 4; an = an −1 +9
B. a1 = 9; an = an −1 + 13
C. a1 = 9; an = an −1 +4
D. a1 = 13; an = a9 + 9
that answer was wrong
The correct answer is:
B. a1 = 9; an = an-1 + 13