Find the Range of the Given Function $$f ( x ) = - \frac { 1 } { 3 } x ^ { 2 } + 3 x - 4$$

Multiple Choice

Find the range of the given function.
- $$f ( x ) = - \frac { 1 } { 3 } x ^ { 2 } + 3 x - 4$$

A) $\left[ \frac { 11 } { 4 } , \infty \right)$
B) $\left[ - \infty , - \frac { 97 } { 4 } \right]$
C) $[ - 4 , \infty )$
D) $\left( - \infty , \frac { 11 } { 4 } \right]$