Jee MainFunctionsJEE Main 2016 (Offline)MCQ+4 / -12016ENHIIf $f(x)+2 f\left(\frac{1}{x}\right)=3 x, x \neq 0$, and $\mathrm{S}=\{x \in \mathbf{R}: f(x)=f(-x)\}$; then $\mathrm{S}:$Ais an empty set.Bcontains exactly one element.Ccontains exactly two elements.Dcontains more than two elements.Check AnswerClear SelectionReveal AnswerShow Explanation
