Determine the Intersection $\boldsymbol { X } \cap \boldsymbol { Y }$

question 47

Multiple Choice

Determine the intersection $\boldsymbol { X } \cap \boldsymbol { Y }$ . Express the answer in interval notation.
- $X = \{ x \mid x \geq 18 \}$ and $Y = \{ x \mid x < 11 \}$

• A) \([ 11,18 )\)
• B) \(( - \infty , 11 ] \cup ( 18 , \infty )\)
• C) \(( 11,18 ]\)
• D){ }

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