B= {x | x>=3}

C={x | x>7}
asked May 18, 2017 in Word Problem Answers by anonymous

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1 Answer

The intersection of the sets is { x | x>7 } this is the set of elements common to B and C.

The union of the sets is { x | x≥3 }

The inverse of B in R is { x | x<3 } and the inverse of C in R is { x | x≤7 }

The set { x | 3≤x≤7 } is the intersection of B and not C (or B and the inverse of C).

answered May 18, 2017 by Rod Top Rated User (510,040 points)
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