Question 1117385: Write a recursive definition for the sequence 11, 8, 5, 2,...
a1=11, an=an-1-4
a1=11, an=an-1-3
a1=2, an=an-1-3
a1=2, an=an-1+3
Much of that is meant to be in subscript, however, I don't know how to do subscript on here and couldn't get it to copy paste over, here is a photo, I do apologize that the entire problem can't be seen on here.
Here is the photo of the four answers with subscript. https://postimg.cc/image/sszribopz/
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Write a recursive definition for the sequence 11, 8, 5, 2,...-
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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
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Cheers,
Stan H.
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