CUET Mathematics 2026 26th May Shift 2 PYQs

The range of the function $f(x) = \frac{1}{3 - \sin 4x}$ is:

The function $f: R \to [0,1]$ defined by $f(x) = \dfrac{x^2}{x^2+1}$ is: (Where $R$ is set of real numbers)

A. One-one

B. one-one and onto

C. onto

D. Not one-one

Choose the correct answer from the options given below:

If $A = \{1, 2, 3, 4, ..., n\}$ and $B = \{x, y\}$, then the number of surjections from A to B is