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Relations & Functions — CBSE Class 11

Master Relations & Functions for CBSE Class 11 with 1 past exam problems, formulas, and markschemes.

Exam Questions & Step-by-Step Markschemes (1 Problems)

Question 1 • 2024 3 Marks

          Let f : \mathbb{R} \to \mathbb{R} be defined by f(x) = x^2 + 1 . Is f one-one? Is it onto? Justify your answers with proper mathematical arguments.
        

Answer: f \text{ is neither one-one nor onto.}

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