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OpenStudy (anonymous):
Find the inverse of f(x)=2e^-x
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OpenStudy (saifoo.khan):
\[\Large f^{-1}(x) = -\log(\frac{x}{2})\]
OpenStudy (dumbcow):
it could also be written as \[f^{-1}(x) = \ln 2 - \ln x\]
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