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Discrete Math

1. Describe the following sets in words, by listing the first three elements of the set and using an alternate set notation description. (a) r-5EN)

2. Given the A- 12,3,4,8,10), B-1,3,5,7,9. C 1,6,7 within the universal set u-1,2,3,4,5,6,7,8,9,10 find the following (a) AnB (b) Bnc (e)で (d) B (e) P(C) (f) B\C 3. Draw Venn diagrams that describe the following sets. (a) SUT c) SU(TnR)4. Describe the following set using set operations (ie. n,u./.) . Write out all of the functions f 1,2a, b,e 6. For the function given in two line notation 1 2 3 4 5 (a) state whether or not f is a function explaining how you know (b) state whether or not f injective explaining how you know (c) state whether or not f surjective explaining how you know (d) state whether or not f bijective explaining how you know (e) what is (1) and f (3)? 7. For the function given in two line notation f=(1 2 3 4 5 2 1 453 (a) state whether or not f is a function explaining how you know (b) state whether or not f injective explaining how you know (c) state whether or not f surjective explaining how you know (d) state whether or not f bijective explaining how you know (e) what is (1) and f(3)?

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