The function \( f: R \rightarrow R, f(x)=x^{2} \forall x \in R \) i...

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The function \( f: R \rightarrow R, f(x)=x^{2} \forall x \in R \) is
(1) One-One but not Onto
\( \mathrm{P} \)
(2) Onto but not One-One
W
(3) Injection as well as surjection
(4) Neither One-One nor Onto
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