Answer the Question About the Given Function $f ( x ) = \frac { x ^ { 2 } + 3 } { x - 8 }$

Multiple Choice

Answer the question about the given function.
-Given the function $f ( x ) = \frac { x ^ { 2 } + 3 } { x - 8 }$ , what is the domain of $f$ ?

A) $\{ x \mid x \neq - 8 \}$
B) $\{ x \mid x \neq 3 \}$
C) $\left\{ x \mid x \neq \frac { 3 } { 8 } \right\}$
D) $\{ x \mid x \neq 8 \}$