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Mathematics 8 Online
OpenStudy (anonymous):

log9(4x-1)>2

OpenStudy (tkhunny):

Logarithms are beautiful things. They don't change any order or structure. The one thing logarithms actually do is mess with the Domain. Looking at the original problem, we have 4x-1 > 0 or 4x > 1 or x > 1/4. Do you see why this is so?

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