Solve the Inequality $x ^ { 3 } - 3 x ^ { 2 } - 6 x + 8 \geq 0$

question 12

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $x ^ { 3 } - 3 x ^ { 2 } - 6 x + 8 \geq 0$

• A) \(( - \infty , - 2 ] \cup [ 1,4 ]\)
• B) \(( - \infty , - 2 ] \cup [ 4 , \infty )\)
• C) \([ - 2,1 ] \cup [ 4 , \infty )\)
• D) \([ - 4 , - 1 ] \cup [ 2 , \infty )\)