Use Interval Notation to Describe the Interval of Real Numbers $$x \leq - 5$$

Multiple Choice

Use interval notation to describe the interval of real numbers.
- $$x \leq - 5$$

A) $( - \infty , - 5 ]$
B) $[ - 5 , \infty )$
C) $( - 5 , \infty )$
D) $( \infty , - 5 )$