Solve the Inequality $$x ^ { 4 } - 13 x ^ { 2 } + 36 \geq 0$$

question 187

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $$x ^ { 4 } - 13 x ^ { 2 } + 36 \geq 0$$

• A) \(( - 3 , - 2 ) \cup ( 2,3 )\)
• B) \(( - \infty , - 3 ] \cup [ - 2,2 ] \cup [ 3 , \infty )\)
• C) \(( - \infty , - 3 ) \cup ( - 2,2 ) \cup ( 3 , \infty )\)
• D) \([ - 3 , - 2 ] \cup [ 2,3 ]\)

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