SOLUTION: What is the inverse for the function f(x)=log base 12x

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Question 868888: What is the inverse for the function f(x)=log base 12x
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Replace f(x) with y. Swap x and y. Then solve for y.


f%28x%29+=+log%2812%2C%28x%29%29


y+=+log%2812%2C%28x%29%29


x+=+log%2812%2C%28y%29%29


12%5Ex+=+y


y+=+12%5Ex


The inverse function is f%5E%28-1%29%28x%29+=+12%5Ex