Posted by **Megan** on Monday, April 21, 2008 at 8:31pm.

I don't understand this question.

ƒ(2n) = 2ƒ(n) for all integers n

ƒ(4)

= 4

If ƒ is a function defined for all positive integers n, and ƒ satisfies the two conditions above, which of the following could be the definition of ƒ?

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