Unions, Intersections, and Complements

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"

What statement does the shaded region represent?

• A or B
• A and B
• A
• B

What statement does the shaded region represent?

• A or B
• Not A
• A and B
• Not B

Let C={2, 5, 7, 10} and B={2, 4, 6, 8}. Find C U B

• {2,4,6,8,10}

• {2,4,5,6,7,8,10}

• {2, 4, 5, 6, 7, 8, 10}

Let C={2, 5, 7, 10} and B={1, 3, 5, 7, 9}. Find C ∩ B

• {1,2,3,5,7,9,10}

• {2,4,5,6,7,8,10}

• {5,7}

Identify the shaded area...

• A

• B

• A'

• B'

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}
• { }

U=(1,2,3,4,5,...) A=(1) , A' =( ? )

• A' =(2,3,4,5,...)

• A'=(1,2,3,...)

• A'=(5,6,...)

• U = A U A'

P(Pizza ∩ Water) =

• 62/182
• 120/400
• 58/400
• 140/400