Find a Rational Zero of the Polynomial Function and Use $$f ( x ) = 2 x ^ { 3 } - 13 x ^ { 2 } + 22 x - 8$$

Multiple Choice

Find a rational zero of the polynomial function and use it to find all the zeros of the function.
- $$f ( x ) = 2 x ^ { 3 } - 13 x ^ { 2 } + 22 x - 8$$

A) $\left\{ \frac { 1 } { 2 } , 2,4 \right\}$
B) $\left\{ - \frac { 1 } { 2 } , 2 , - 4 \right\}$
C) $\{ 2,1,2 \}$
D) $\{ - 2,1 , - 2 \}$