Find All the Rational Zeros $$f ( x ) = x ^ { 4 } - 6 x ^ { 3 } - 5 x ^ { 2 } - 12 x - 14$$

Multiple Choice

Find all the rational zeros.
- $$f ( x ) = x ^ { 4 } - 6 x ^ { 3 } - 5 x ^ { 2 } - 12 x - 14$$

A) $\pm 1 , \pm 7 , \pm 2$
B) $- 1,7 , - 2$
C) $\pm 1 , \pm 7$
D) $- 1,7$