Find the Range of the Given Function $$f ( x ) = - 2 x ^ { 2 } - 12 x - 24$$

Multiple Choice

Find the range of the given function.
- $$f ( x ) = - 2 x ^ { 2 } - 12 x - 24$$

A) $( - \infty , - 6 ]$
B) $[ 3 , \infty )$
C) $( - \infty , - 3 ]$
D) $[ 6 , \infty )$