Question 1117385
Write a recursive definition for the sequence 11, 8, 5, 2,...-
----
You see that each successive term is 3 less than its previous term
and you see that the 1st term in 11.
So a(1) = 11 and a(n) = a(n-1) - 3 
a1=11, an=a(n-1)-4
a1=11, an=a(n-1)-3
a1=2, an=a(n-1)-3
a1=2, an=a(n-1)+3
------
Cheers,
Stan H.
-----------