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Solve the Inequality $x ^ { 3 } + 4 x ^ { 2 } - 4 x - 16 \geq 0$

Question 439

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $x ^ { 3 } + 4 x ^ { 2 } - 4 x - 16 \geq 0$

A) $[ - 4 , - 2 ] \cup [ 2 , \infty )$
B) $[ - 4,2 ]$
C) $[ - 4 , \infty )$
D) $[ - 2,2 ] \cup [ 4 , \infty )$

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