MAD 2104 Midterm: MAD 2104 FIU Exam 312Fk
Document Summary
For technical reasons, i had to re-type this quiz to provide an answer key. The version below should be pretty close to the actual quiz you took, but some wording may be a bit di erent. Also, there were 3 versions of the quiz, which di ered only in problem 1c: [45pts] in each part, give an example or explain why it is not possible. Bonus (approx 5 pts): prove that if a and b are countable, then a b is countable too. Your proof can be slightly informal, possibly using lists and diagrams rather than just formulas. Remarks: the average among the top half was 57 / 100, which is rather low. None of the problems seemed unusually hard or unusually easy, but the average scores were clearly down from quizzes 1 and 2 and the results in the bottom half were especially poor. The results were probably lowest on problems 1b and.
