Solve the Inequality and Write the Solution Set in Interval $x ^ { 3 } - 36 x \geq 0$

Multiple Choice

Solve the inequality and write the solution set in interval notation.
$x ^ { 3 } - 36 x \geq 0$

A) $[ - 6,0 ] \cup [ 6 , \infty ]$
B) $[ - 6,0 ] \cup [ 6 , \infty )$
C) $[ - 36,0 ] \cap [ 6 , \infty ]$
D) $[ - 36,0 ] \cup [ - 6 , \infty )$
E) $[ - 6,0 ] \cap [ 6 , \infty )$