There are 2 pies on the shelf. Each shelf is cut into eighths. How many pieces of pie are there?
1 answer:
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The answer is
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Explanation:
The first term is
. The next part of the rule, which says 
is the recursive part. To get the nth term, we add on 4 to the previous (n-1) term. For example, to get the fifth term, you add on 4 to the fourth term. Relying solely on this recursive definition means we need to find all of the previous terms (from 1 to n-1) in order to find a given nth term.
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Explanation:
The first term is