SAT Math Question of the Day

Math Category: Algebraic Sets:

Q: If Set X = {4,5,6} and Set Y = {3,5,6,7}, then what is the union of Set X and Set Y?

  1. {3,4,5,6,7}
  2. {3,4}
  3. {4,5}
  4. {5,6}
  5. {6,7}