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Let P={−12,−9,−8,−3,−1}P = \{-12, -9, -8, -3, -1\} and Q={−8}Q = \{-8\}. What is P∪QP \cup Q?\newlineChoices:\newline(A){−8}\{-8\}\newline(B){−12,−9,−3,−1}\{-12, -9, -3, -1\}\newline(C){−9,−8,−3,−1}\{-9, -8, -3, -1\}\newline(D){−12,−9,−8,−3,−1}\{-12, -9, -8, -3, -1\}

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Q. Let P={−12,−9,−8,−3,−1}P = \{-12, -9, -8, -3, -1\} and Q={−8}Q = \{-8\}. What is P∪QP \cup Q?\newlineChoices:\newline(A){−8}\{-8\}\newline(B){−12,−9,−3,−1}\{-12, -9, -3, -1\}\newline(C){−9,−8,−3,−1}\{-9, -8, -3, -1\}\newline(D){−12,−9,−8,−3,−1}\{-12, -9, -8, -3, -1\}
  1. Identify elements of set P: Identify the elements of set P. P={−12,−9,−8,−3,−1}P = \{-12, -9, -8, -3, -1\}
  2. Identify elements of set Q: Identify the elements of set Q. Q={−8}Q = \{-8\}
  3. Determine union of sets PP and QQ: Determine the union of sets PP and QQ. The union of two sets is the set containing all the elements from both sets, without duplicates. P∪Q={−12,−9,−8,−3,−1}∪{−8}P \cup Q = \{-12, -9, -8, -3, -1\} \cup \{-8\} Since −8-8 is already in set PP, it does not need to be added again. P∪Q={−12,−9,−8,−3,−1}P \cup Q = \{-12, -9, -8, -3, -1\}

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