Karnataka II PUC Mathematics (KSEAB) Practice Questions - Karnataka School Examination And Assessment Board (KSEAB) II PUC Class 12 Mathematics (Subject Code 35) Exam

Let f: R → R be defined by f(x) = x² + 1. Then f is:

one-one and onto one-one but not onto onto but not one-one neither one-one nor onto

Correct Answer:

neither one-one nor onto

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