Q23Single correct4 Marks3 Dec 2023

Choose the correct option for $f(x)=\frac{1}{x-1}$.

A

The function $(f\circ f)(x)$ in its domain is discontinuous only at the point/points $x=1$.

B

The function $(f\circ f)(x)$ in its domain is discontinuous only at the point/points $x=1$ and $x=2$.

C

The function $(f\circ f)(x)$ in its domain is discontinuous only at point/points $x=2$.

D

The function $(f\circ f)(x)$ in its domain is discontinuous only at point/points $x=1$, $x=2$ and $x=3$.