\( f(x)=x+\sqrt{x^{2}} \) is a function from \( \mathrm{R} \rightar...

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\( f(x)=x+\sqrt{x^{2}} \) is a function from \( \mathrm{R} \rightarrow \mathrm{R} \) then \( f(x) \) is:
\( \mathrm{P} \)
(1) Injective
(2) Surjective
W
(3) Bijective
(4) None of these
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