If \(f:x\rightarrow x\) is defined by \(f(x)=|x|\) where \(x=\mathbb{R}\) then

\(f^{-1}(x)=\frac{1}{|x|}\) \(f^{-1}(x)=-x\) \(f^{-1}(x)=\frac{1}{x}\) None of these

None of these

\(f:R\rightarrow R\) from graph it is clear that the function is not bijective \(⇒f^{-1}(x)\) does not exist.