MAD 2104 Midterm: MAD 2104 FIU Exam 215k
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Prof. s. hudson: [30 pts] misc short answer questions, suppose aj = [j + 2, j + 8) r for j = 1, 2, . For one entry, at least, show all your work. 1(cid:19: [10 pts] find 3 di erent sequences {an}, {bn} and {cn} beginning with the terms 3, For max credit, answer with a set and then a formula for f (perhaps using |n| and/or some polynomial and/or x ). If your example is complicated, explain it: [20 pts] true-false (you do not have to explain). If f : a b and f (a) = b then f is surjective (onto). If f : v u is 1-1 and s t v , then f (s t ) = f (s) f (t ). The set of all nite bit strings is countable. X, y r, x + y = x + y . For all sets, al b = (a b) a b.
