anonymous
  • anonymous
I'm trying to find the inverse of an equation and I'm not sure what to do next. http://oi43.tinypic.com/xldkhu.jpg
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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hartnn
  • hartnn
how u got x= 3ln y ?
hartnn
  • hartnn
f(x) = 3+ ln x y= 3+ ln x interchange 'x' and 'y' x = 3+ ln y can u try to isolate 'y' from here ?
anonymous
  • anonymous
(I'm just a tard who makes mistakes too often on her math homework...) Right now I have x-3=lny.

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anonymous
  • anonymous
Not sure what to do now
hartnn
  • hartnn
you are correct till that step! now use this : \(\large a= \ln b \implies e^a = b\) from the definition , so what about (x-3) = ln y ?
anonymous
  • anonymous
\[y=e ^{x-3}\]
anonymous
  • anonymous
Is that the right answer?
hartnn
  • hartnn
absolutely! thats your inverse function :)
anonymous
  • anonymous
Thanks for the help! :)
hartnn
  • hartnn
welcome ^_^

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