Determine Whether the Relation Defines $y$ As a Function Of $x$ Give the Domain

Multiple Choice

Determine whether the relation defines $y$ as a function of $x$ . Give the domain.
- $y=\frac{-9}{x+11}$

A) Not a function; domain: $(-\infty,-11) \cup(-11,0)$
B) Function; domain: $(-\infty,-11) \cup(-11, \infty)$
C) Function; domain: $(-11,11)$
D) Not a function; domain: $(-\infty, \infty)$