Use the Following to Answer Questions :
F(x) = X² $\in$

Multiple Choice

Use the following to answer questions :
f(x) = x² - 64 and g(x) = x + 8
-Determine the domain of .

A) x $\in$ (-?, 3) $\cup$ (3, ?)
B) x $\in$ (-?, -3) $\cup$ (-3, ?)
C) x $\in$ (3, ?)
D) x $\in$ (-?, ?)