Solve the Problem. -The Little Town Dog Club Offers a "Puppy Kindergarten" for "Puppy

Essay

Solve the problem.
-The Little Town Dog Club offers a "Puppy Kindergarten" for puppies in their community. In order for a dog to
advance from this introductory class to the first level obedience class, it must consistently demonstrate
knowledge of each of 4 commands. The instructor has the following table in her record book. Let A = the set of dogs who have demonstrated knowledge of Sit/Stay.
Let B = the set of dogs who have demonstrated knowledge of Down/Stay.
Let C = the set of dogs who have demonstrated knowledge of Heel.
Let D = the set of dogs who have demonstrated knowledge of Come.
Give each of the sets A, B, C, and D using roster notation. Determine the set A ∩ B ∩ C ∩ D. Which dogs are ready to
advance to the next level?