Find All Rational Zeros $$f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 16 x - 32$$

Multiple Choice

Find all rational zeros.
- $$f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 16 x - 32$$

A) $- 2 , - 4,4$
B) $3,4 , - 8$
C) $2,4 , - 4$
D) $- 3 , - 4,8$