Given two terms in an arithmetic sequence find the recursive formula.
18
6) a = -36 and a = -75
6
31
A) a = a - 3
n
n-1
a = 14
B) a = a -4
n
n-1
a = 14
C) a = a -1-4
a = 10
D) a = a -1-3
a =
= 15