(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

y = 3^-x + 9^-x

ln(y) = ln(3^-x + 9^-x)

don't know where to go from here.

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# Homework Help: Inverse of 3^(-x) + 9^(-x)

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