Find the Domain of the Expression $$\frac { - 5 } { m + 4 }$$

Multiple Choice

Find the domain of the expression.
- $$\frac { - 5 } { m + 4 }$$

A) $\{ m \mid m \neq - 4 \}$
B) all real numbers
C) $\{ m \mid m > - 5 \}$
D) $\{ \mathrm { m } \mid \mathrm { m } \neq 4 \}$