Given f(x)=1x−2f(x) = \frac{1}{x-2}f(x)=x−21, what is the domain of its inverse f−1(x)f^{-1}(x)f−1(x)?
x≠2x \neq 2x=2
x≠0x \neq 0x=0
All real numbers
x>0x > 0x>0