Solve the Inequality and Graph the Solution on the Real $x ^ { 3 } + 3 x ^ { 2 } - 9 x - 27 \leq 0$

Multiple Choice

Solve the inequality and graph the solution on the real number line
$x ^ { 3 } + 3 x ^ { 2 } - 9 x - 27 \leq 0$

A) $( - \infty , 3 ]$
B) $( - \infty , 3 )$
C) $( - \infty , 3 ]$
D) $( - \infty , - 3 ]$
E) $( - \infty , - 3 )$