Is the function f defined by`f(x)={{:(x , ifxlt=1),( 5, ifx >1):}`continuous at `x = 0? A t x = 1? A t x = 2?`

Explanation

To determine the continuity of the function \( f \) defined by

\[
f(x) =
\begin{cases}
x & \text{if } x \leq 1 \\
5 & \text{if } x > 1
\end{cases}
...