SOLUTION: i can't figure out how to come up with an answer to this domain: 1 | 2 | 3 | 4 | n 15 | 45 | 90 | 150 | ? What is n? or rather what is the Equation?

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Question 121086: i can't figure out how to come up with an answer to this domain:
1 | 2 | 3 | 4 | n
15 | 45 | 90 | 150 | ?
What is n?
or rather what is the Equation?

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
1 | 2 | 3 | 4 | n
15 | 45 | 90 | 150 | ?
--------------------------
? = 7.5n^2+7.5n
======================
Cheers,
Stan H.

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