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Mathematics 15 Online
OpenStudy (anonymous):

* WILL MEDAL * A sequence is defined recursively using the formula f(n + 1) = –0.5 f(n) . If the first term of the sequence is 120, what is f(5)?

OpenStudy (mathmale):

You may have to write out the first 5 terms of this recursively-defined sequence. The first term is 120. That means that n = 1 and f(n)=120. What's the next term? Let n = 2 and find it.

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