Solve the Inequality $$a ^ { 2 } + 6 a + 9 > 0$$

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $$a ^ { 2 } + 6 a + 9 > 0$$

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