Solve the Problem $$x ^ { 2 } - 36 \leq 0$$

Multiple Choice

Solve the problem.
- $$x ^ { 2 } - 36 \leq 0$$

A) $[ - 9,9 ]$
B) $[ - 6,6 ]$
C) $( - \infty , - 9 ]$ or $[ 9 , \infty )$
D) $( - \infty , - 3 ]$ or $[ 3 , \infty )$