Friday
November 28, 2014

Homework Help: Check my precalc

Posted by Rebekah on Sunday, November 18, 2012 at 8:46pm.

what is the f inverse of f(x)= ln(x-3)
I got y= e^x - 4

Solve
8 times 10^(2x-7)=3

I do not know how to do this. Do i get 8 and 10 with the same base? How?

Thanks!

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