Haruhi
Write y = 3x as a logarithmic function.
Is it x = log3^y?



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klimenkov
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Do you mean \(y=3^x\) ?

AravindG
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log y=log3x
log y=log x +log 3

Haruhi
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yeah I meant \[y = 3^{x}\] sorry didn't type it right.

klimenkov
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If it is so, then use the identity: \(\log_aa^b=b\).

Haruhi
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so I don't just turn \[b ^{y} = x\] into \[y = logb ^{x}\]?
Then... I really don't know how I'm supposed to write it.

klimenkov
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\(x=\log_3y\).

Haruhi
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oh thanks