MATH 2390 Midterm: MATH 2390 Kennesaw State Exam4solutions
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Math 2390 exam 4 solutions: f. ellermeyer. Remember that writing and correct use of notation are very important. Write in complete sentences: let a a, b, c and let b r, s, t, u . Also let r be the relation from a to b defined by. Answer: dom r a, b and range r s, t . Answers: r if reflexive because if a is any natural number then a|a and thus a r a. To see why, suppose that a and b n and that a r b. This is equivalent to saying that either b|a or a|b. R 1, 1 , 1, 5 , 2, 2 , 2, 3 , 2, 6 , 3, 2 , 3, 3 , 3, 6 , 4, 4 , 5, 1 , 5, 5 , 6, 2 , 6, 3 , 6, 6 . Answer: the distinct equivalence classes of r are.
