Union and Intersection

The image represents which of the following?

• intersection, "and"
• union, "or"
• intersection, "or"
• union, "and"

The image represents which of the following?

• intersection, "and"
• intersection, "or"
• union, "and"
• union, "or"

If A={3,4,7,9}, B={1,3,5,8,9,11} and C={2,3,5,6,9,12}. What is A∩C?

• {3}

• {2,3,4,5,6,7,9,12}

• {3,9}

• {3,5,9}

If A={3,4,7,9}, B={1,3,5,8,9,11}, and C={2,3,5,6,9,12}

what is B∪C?

• {1,3,4,5,7,8,9,11}

• {1,2,3,5,6,8,9,11,12}

• {3,5,9}

• {3}

If A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A ⋂ B?

• {1, 2, 3, 4, 5, 6, 7, 9}
• {1, 2, 3, 5}
• {4, 6, 7, 9}
• { }

If A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A U B?

• {1, 2, 3, 4, 5, 6, 7, 9}
• {1, 2, 3, 5}
• {4, 6, 7, 9}
• { }