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Find All Rational Zeros of the Polynomial Function $f ( x ) = - 2 x ^ { 3 } - 4 x ^ { 2 } + 2 x + 4$

Question 20

Multiple Choice

Find all rational zeros of the polynomial function.
- $f ( x ) = - 2 x ^ { 3 } - 4 x ^ { 2 } + 2 x + 4$

A) $1,2 , - 1$
B) $- 1,2 , - 1$
C) $- 1 , - 2,1$
D) $1 , - 2,1$

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