SOLUTION: What is the next number in the following sequence: 15, 50, 225, 1100 How do I find the answer as well?

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Question 951108: What is the next number in the following sequence:
15, 50, 225, 1100
How do I find the answer as well?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the next number in the following sequence:
15, 50, 225, 1100
How do I find the answer as well?
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I ran a Cubic Regression Program to get the least-squares
equation for the data and got::
y = (93 1/3)x^3 - 490x^2 + 851 2/3
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Next Number = f(5) = 3235
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Cheers,
Stan H.
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