a246896 a246896

14-08-2018
Mathematics

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which formula can be used to describe the sequence -2 2/3, -5 1/3, -10 2/3, -21 1/3, -42 2/3

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sqdancefan sqdancefan

14-08-2018

When you compare each term to the one before it, you find they have a common ratio: 2.

An appropriate formula might be

... f(x+1) = 2f(x)

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