fun-lim

Question: If $f:R\to R$, then the range of the function $f(x)=\frac{{{x}^{2}}}{{{x}^{2}}+1}$ is



1) ${{R}^{-}}$
2) ${{R}^{+}}$
3) R
4) $R\times R$
Solution: Explanation: No Explanation
Functions

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