Let U={3,5,7,9,11,13,15} A={3,7,9,11,13},B={5,9,11,15},C={3,9,11,13}. Find BnC A. {3,5,9,11,13,15} B. {7,11} C. {9,11} D. {11,13,15}
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Let U={3,5,7,9,11,13,15} A={3,7,9,11,13},B={5,9,11,15},C={3,9,11,13}. Find BnC A. {3,5,9,11,13,15} B. {7,11} C. {9,11} D. {11,13,15}
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Answer:
A.
Step-by-step explanation:
Answer:
C. {9,11}
Step-by-step explanation:
Because 9 and 11 can be seen on both B and C, they intersect.