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?

so sorry the products didn't work out!! i think the color is pretty on u though. i ha#9n&v3e;t really tried maybelline stuff other than mascaras a looong time ago. they really do hv excellent advertising lol