Solve the Quadratic Inequality $$x ^ { 2 } - 3 x - 18 \leq 0$$

question 47

Multiple Choice

Solve the quadratic inequality. Write the solution set in interval notation.
- $$x ^ { 2 } - 3 x - 18 \leq 0$$

• A) \(( - \infty , - 3 ]\)
• B) \([ 6 , \infty )\)
• C) \([ - 3,6 ]\)
• D) \(( - \infty , - 3 ] \cup [ 6 , \infty )\)

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