Solve the Inequality $( 3 x - 1 ) ( x + 6 ) \leq 0$

Multiple Choice

Solve the inequality. Graph the solution set and write the solution set in interval notation.
- $( 3 x - 1 ) ( x + 6 ) \leq 0$

A) $\left[ - \infty , \frac { 1 } { 3 } \right]$

B) $[ - 6 , \infty )$

C) $\left[ - 6 , \frac { 1 } { 3 } \right]$

D) $( - \infty , - 6 ] \cup \left[ \frac { 1 } { 3 } , \infty \right]$