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Assuming this is a linear or arithmetic sequence,

the nth term is Un = 31 - 8n.

But, there are infinitely many polynomials of order 5 or higher, and many other functions that will fit the above 5 numbers.

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โˆ™ 2013-05-26 13:58:48
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Q: What is the nth term for 23 15 7 -1 -9?
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