Class 12 Relations And Functions · Mcq Single Correct1 Markstypes_of_relations Class 12 Maths · Relations And Functions · Mcq Single Correct #142 The proposed rule \(f:\mathbb R\to\mathbb R\), \(f(x)=1/x\), is (A) One-one(B) Onto(C) Bijective(D) Not defined on all of R