Solve the Inequality $- x ^ { 2 } + 6 x - 4 \geq 0$

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $- x ^ { 2 } + 6 x - 4 \geq 0$

A) $( \infty , - 3 - \sqrt { 5 } ] \cup [ - 3 + \sqrt { 5 } , \infty )$
B) $( \infty , 3 - \sqrt { 5 } ] \cup [ 3 + \sqrt { 5 } , \infty )$
C) $[ - 3 - \sqrt { 5 } , - 3 + \sqrt { 5 } ]$
D) $[ 3 - \sqrt { 5 } , 3 + \sqrt { 5 } ]$