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Suppose you have sets \(A\) and \(B\) with \(\card{A} = 10\) and \(\card{B} = 15\text{.}\)

  1. What is the largest possible value for \(\card{A \cap B}\text{?}\)

  2. What is the smallest possible value for \(\card{A \cap B}\text{?}\)

  3. What are the possible values for \(\card{A \cup B}\text{?}\)

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