SOLUTION: Write an explicit formula for the following arithmetic sequence -4,-1,2,5... Write an recursive formula for the following arithmetic sequence -4,-1,2,5... Write an explicit f

Algebra ->  Sequences-and-series -> SOLUTION: Write an explicit formula for the following arithmetic sequence -4,-1,2,5... Write an recursive formula for the following arithmetic sequence -4,-1,2,5... Write an explicit f      Log On


   

Question 1035546: Write an explicit formula for the following arithmetic sequence -4,-1,2,5...
Write an recursive formula for the following arithmetic sequence -4,-1,2,5...
Write an explicit formula for the following geometric sequence 1/2,3/2,9/2...
Write an recursive formula for the following geometric sequence 1/2,3/2,9/2...
Answer by robertb(5830) About Me  (Show Source):
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Write an explicit formula for the following arithmetic sequence -4,-1,2,5...
a%5Bn%5D+=+-4+%2B+3%28n-1%29+=+3n-7 for n = 1,2,3,4,...
Write a recursive formula for the following arithmetic sequence -4,-1,2,5...
a%5Bn%5D+=+a%5Bn-1%5D+%2B+3 for n = 2,3,4,5,...

Write an explicit formula for the following geometric sequence 1/2,3/2,9/2...
a%5Bn%5D+=+%281%2F2%29%2A3%5E%28n-1%29 for n = 1,2,3,4,...
Write a recursive formula for the following geometric sequence 1/2,3/2,9/2...
a%5Bn%5D+=+3a%5Bn-1%5D for n = 2,3,4,5,...