Write the Domain in Interval Notation and Identify Any Vertical $$f ( x ) = \frac { x ^ { 2 } + x - 56 } { x - 7 }$$

Multiple Choice

Write the domain in interval notation and identify any vertical asymptotes.
- $$f ( x ) = \frac { x ^ { 2 } + x - 56 } { x - 7 }$$

A) $( - \infty , \infty )$ ; None
B) $( - \infty , 7 ) \cup ( 7 , \infty ) ; x = 7$
C) $( - \infty , \infty ) ; x = 7$
D) $( - \infty , 7 ) \cup ( 7 , \infty )$ ; None