Let `f:N->N` be defined by `f(x)=x^2+x+1,x in N`. Then is `f` isA. one – InterviewSolution

1.	Let `f:N->N` be defined by `f(x)=x^2+x+1,x in N`. Then is `f` isA. one-one ontoB. many one ontoC. one-one but not ontoD. none of these
Answer» Correct Answer - C

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