Find $g(0),g(-2),g(5),$ and $g(\frac{3}{2})$ for $g(x)=\frac{x}{\sqrt[\phantom{2}]{4-x^2}}$

Find $g(0).$ Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A$.g(0)=$

$($Simplify your answer. Type an exact answer, using radicals as needed.$)$

B$.$ The value $g(0)$ does not exist.

Find $g(-2).$ Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A$.g(-2)=$

$($Simplify your answer. Type an exact answer, using radicals as needed.$)$

B$.$ The value $g(-2)$ does not exist.

Find $g(5).$ Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A$.g(5)=$

$($Simplify your answer. Type an exact answer, using radicals as needed.$)$