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OpenStudy (anonymous):
find an equation for the inverse of the function: f(x)=x^2+5;x>0
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OpenStudy (anonymous):
\[f^{-1}(x) = \sqrt{x-5}\ [x\ \in \mathbb{R}\ ; \ x >5]\] But why?
OpenStudy (anonymous):
thats all it says to do
OpenStudy (anonymous):
No, I meant, can you explain why?
OpenStudy (anonymous):
why what?
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