What Inputs Are Defined for the Expression $$\frac { 4 } { x + 8 }$$

Multiple Choice

What inputs are defined for the expression? $$\frac { 4 } { x + 8 }$$

A) $\mathrm {~R} , x \neq - 8$
B) $R, x \neq 0$
C) $\mathrm { R } , x \neq - 4$
D) $R , x \neq 8$
E) $R , x \neq 4$