Find the Specified Domain
-For $f(x)=\frac{6}{x^{2}}$ And $g(x)=4-x$ , What Is the Domain Of

Multiple Choice

Find the specified domain
-For $f(x) =\frac{6}{x^{2}}$ and $g(x) =4-x$ , what is the domain of $f \circ g$ ?

A) $(-\infty, 4) \cup(4, \infty)$
B) $(-\infty, 0) \cup(0, \infty)$
C) $(-\infty, 0) \cup(0,4) \cup(4, \infty)$
D) $(-\infty, \infty)$