Operations on Sets

Which region is A∖B?

• (I)
• (II) 
• (III)
• (I) and (III)

Which region is (A ∩ B)' ∩ U

• (I)
• (II)
• (III)
• (I) & (III)

Regions (II)+(IV) can be described by which expression?

• A' U B'
• B' ∩ A'
• (A∪B)' ∪ (A∩B)
• (A∩B)' ∩ (AUB)

Regions (I) + (III) + (IV) can be described by which expression?

• A∪B'
• A∩B'
• (AUB)'
• (A∩B)'

Which of the following best describes region (V)?

• (AUB)∩C
• (A∩B)UC
• A∩(BUC)
• A∩B∩C