Sets Quiz

1. If A = {1,2,3} and B = {2,3,4}, what is A ∩ B?
2. Which of the following is a finite set?
   • N = {1,2,3,...}
   • {a,b,c}
   • The set of all stars in the universe
3. Let U = {1..10}, A = {2,4,6,8}, find Aᶜ.

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4. If A = {x | x is an even number} and B = {x | x is a multiple of 3}, what is A ∪ B?