Find the Zeros of the Function $$f ( x ) = x ^ { 2 } - 9 x + 3$$

Multiple Choice

Find the zeros of the function. Give exact answers.
- $$f ( x ) = x ^ { 2 } - 9 x + 3$$

A) $\frac { - 9 \pm \sqrt { 69 } \mathrm { i } } { 2 }$
B) $\frac { 9 \pm \sqrt { 69 } } { 2 }$
C) $\frac { 27 \pm \sqrt { 69 } } { 2 }$
D) $\frac { - 9 \pm \sqrt { 69 } } { 4 }$