Solve the Inequality $$x ^ { 3 } + 4 x ^ { 2 } - 9 x - 36 \geq 0$$

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $$x ^ { 3 } + 4 x ^ { 2 } - 9 x - 36 \geq 0$$

A) $[ - 4 , \infty )$
B) $[ - 4 , - 3 ] \cup [ 3 , \infty )$
C) $[ - 3,3 ] \cup [ 4 , \infty )$
D) $[ - 4,3 ]$