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Let X={x∣x<−1}X = \{ x \mid x < - 1 \}

Question 92

Multiple Choice

Let X={x∣x<−1}X = \{ x \mid x < - 1 \} and Y={x∣x≥−6}Y = \{ x \mid x \geq - 6 \} . Determine the given union. Express the answer in interval nota X∪YX \cup Y


A) [−6,−1) [ - 6 , - 1 )
B) (−∞,∞) ( - \infty , \infty )
C) (−∞,−6]( - \infty , - 6 ]
D) { } .

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