Find the Range of the Quadratic Function $$f ( x ) = - x ^ { 2 } - 2 x - 1$$

Multiple Choice

Find the range of the quadratic function.
- $$f ( x ) = - x ^ { 2 } - 2 x - 1$$

A) $( - \infty , 0 ]$
B) $[ 0 , \infty )$
C) $[ - 1 , \infty )$
D) $( - \infty , - 1 ]$