Solve the Inequality $( x - 4 ) ( x + 2 ) ( x + 9 ) \geq 0$

Multiple Choice

Solve the inequality. Express your answer in interval form. $( x - 4 ) ( x + 2 ) ( x + 9 ) \geq 0$

A) $[ - 9 , - 2 ] \cup [ 4 , \infty )$
B) $( - \infty , - 9 ] \cup [ - 2 , - 4 ]$
C) $[ - \infty , - 9 ] \cup [ 2 , \infty )$
D) $[ - \infty , - 2 ] \cup [ 9 , \infty )$
E) no solution