Solve the Inequality $x ^ { 2 } + 3 x \geq 0$

Multiple Choice

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

A) $( - \infty , - 3 ]$
B) $( - \infty , - 3 ] \cup [ 0 , \infty )$
C) $[ - 3,0 ]$
D) $[ 0 , \infty )$