Class 12 Relations And Functions · Mcq Single Correct1 Markstypes_of_relations Class 12 Maths · Relations And Functions · Mcq Single Correct #146 Choose the most complete correct description of \(f:\mathbb R\to\mathbb R\), \(f(x)=2+x^2\). (A) Not one-one(B) One-one(C) Not onto(D) Neither one-one nor onto