If f:[$$0$$,∞$$)$$→[$$0$$,∞$$)$$ and $$f(x)=x1+x$$, then f is

Correct option is 2one-one but not onto

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

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detailed solution

Correct option is B

fx =x1+x f'x = 1+x-x1+x2=11+x2>0 for all x∈R therefore fx is increasing function ,hence f is one-one domain of fx is x∈ [0,∞) since x

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If f:[0,∞)→[0,∞) and f(x)=x1+x, then f is

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