SOLUTION: A sequence is a function. What is the domain and range of the following sequence? What is r? -12, 6, -3, 3/2, -3/4

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Question 1175846: A sequence is a function. What is the domain and range of the following sequence? What is r?
-12, 6, -3, 3/2, -3/4
Found 2 solutions by ewatrrr, MathTherapy:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
Geometric Sequence:
a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29  
a%5B1%5D+=+-12  r = -1/2

a%5Bn%5D+=+-12%28-.5%5E%28n-1%29%29  
Domain: whole numbers  ≥ 1 
Range: real numbers

Wish You the Best in your Studies.


Answer by MathTherapy(10555) About Me  (Show Source):
You can put this solution on YOUR website!

A sequence is a function. What is the domain and range of the following sequence? What is r?
-12, 6, -3, 3/2, -3/4 
Correct value for r: -+1%2F2