Write the Domain in Interval Notation $$a ( x ) = \sqrt { 8 - x }$$

Multiple Choice

Write the domain in interval notation.
- $$a ( x ) = \sqrt { 8 - x }$$

A) $( - \infty , 8 ]$
B) $( - 8 , \infty )$
C) $[ - 8 , \infty )$
D) $( - \infty , - 8 ) \cup ( - 8 , \infty )$