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[" Q6"],[" Let a function "f:(0,oo)rarr(...

[" Q6"],[" Let a function "f:(0,oo)rarr(0,oo)" be defined by "],[f(x)=|1-(1)/(x)|." Then "f" is : "],[" (1) not injective but it is surjective "],[" (2) injective only "],[" (3) neither injective nor surjective "],[" (4) both injective as well as surjective "]

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