fun-lim

Question: If $f:[0,\ \infty )\to [0,\ \infty )$ and $f(x)=\frac{x}{1+x},$then f is



1) One-one and onto
2) One-one but not onto
3) Onto but not one-one
4) Neither one-one nor onto
Solution: Explanation: No Explanation
Functions

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