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

Question

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){  }

Quizplus · Accepted Answer

The sets $X$ and $Y$ do not overlap; $X$ includes all numbers 18 and above, while $Y$ includes numbers less than 11. Therefore, their intersection is the empty set.

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