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QUESTION 3 [15 Marks] 3.1 = - = Let U =[-10,10], P =[-5, 8], Q=(0,10], R=[-6, 6) and S = {x € Z1-55x55} a) Determine Rºn
Posted: Wed May 11, 2022 10:38 pm
by answerhappygod
- Question 3 15 Marks 3 1 Let U 10 10 P 5 8 Q 0 10 R 6 6 And S X Z1 55x55 A Determine Ron 1 (153.29 KiB) Viewed 21 times
QUESTION 3 [15 Marks] 3.1 = - = Let U =[-10,10], P =[-5, 8], Q=(0,10], R=[-6, 6) and S = {x € Z1-55x55} a) Determine Rºns (2) b) Determine Q \(POR) (3) c) Is Sc(PUQ)? Explain. (2) NC 3.2 Let A and B be non-empty sets. Show that if A \B = Athen B CA. Start your explanation with "Let xe B". (3) 3.3 = = 2 Let A={(a,b)|a,beR, a 20} and B ={(a,b)|a,beR, a+b=0}. a) Show that A is closed under addition. b) Is B C A? Explain. (5)