$$

$(1)$

For which value$($s$)$ of a does $g(x)$ approach a different number from the right side than it approaches from the left side? $($Select all that apply.$)$

$$

For which value$($s$)$ of a does $g(x)$ increase or decrease without bound as $x$ approaches a or for which value$($s$)$ of a is $g(x)$ not defined? $($Select all that apply.$)$

$-3$

$-2$

$-1$

$0$

$1$

$3$