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Nevertheless
Posts:
28
From:
Norman, Oklahoma
Registered:
3/11/08


Auto composition yields exponential
Posted:
Aug 10, 2010 6:11 PM


I found this problem on Yahoo! Answers and although the poster indicated he had a solution it cannot be correct. Since the problem is very interesting, I thought I'd let the brain trust here have a go at it. So far I've made very little progress and perhaps someone here will solve it before I do, which would be favorable to me as well.
Problem: Find the function g(x) such that g(g(x)) = 2^x.
Here's the original post:
http://answers.yahoo.com/question/index;_ylt=AsLpPn5pluAJ3qCNBQ7yNpnFDH1G;_ylv=3?qid=20100809223201AAtlBUT



