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The function f: Rvec[-1/2,1/2] defined a...

The function `f: Rvec[-1/2,1/2]` defined as `f(x)=x/(1+x^2),` is : Surjective but not injective (2) Neither injective not surjective Invertible (4) Injective but not surjective

A

neither injective nor surjective

B

invertible

C

injective but not surjective

D

surjective but not injective

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The correct Answer is:
D
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