MAD 2104 Midterm: MAD 2104 FIU Exam 611k
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Prof. s. hudson: [30pts] find the number of edges in each of these special graphs. De ne (a, b) s to mean a < b: describe the relation r s as simply as possible. [if you cannot describe it, list two ordered pairs that belong to it, and two that do not, with reasoning]: circle the properties that r has (and only those), among these four. You do not have to justify your answers. re exive, symmetric, antisymmetric, transitive: [30pt] prove thm 1 from 8. 1; r is transitive on a if and only if rn r for n = 1, 2, 3 . Remarks and answers; the average was about 60 / 100. A"s 70-100 b"s 60-69 c"s 50-59 d"s 40-49. I"ve averaged your best 5 of 6 quiz grades in the corner. The class average for this stat is approx 70 / 100. A"s 80-100 b"s 70-79 c"s 60-69 d"s 50-59.
