The function $\displaystyle f(x) = %0$ is a closed form function whose natural domain consists of all real numbers $x$ except $x ={}$ BOX. BUTTONS

As $x=%2$ is in the domain of $\displaystyle f(x) = %0$,
$\displaystyle \quad \lim_{x \to %2} %0 ={}$ BOX BUTTONS

In general, if $a \ne %1$,
$\displaystyle \quad \lim_{x \to a} %0 ={}$ BOX* ACTIVEMATH BUTTONS