c) Let S = {-1, 0, 2, 4, 7}. Find f (S) if i. f (x)...

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c) Let S = {-1, 0, 2, 4, 7}. Find f (S) if i. f (x) =[ x/5] f) =L (x2 + 1)/3]. [3marks] [3marks] 11. 1 and y = 1 - to prove that|x+y# x|+ |y|for all real numbers x and y. 2 d) Use x = [3 marks] e) Find the truth set of each of these predicates where the domain is the set of integers. P(x): x2 < 3 R(x): 2x + 1 = 0 P(x): x >1 [1 mark] [1 mark] [1 mark] 1. 11. 111. c) Let S = {-1, 0, 2, 4, 7}. Find f (S) if i. f (x) =[ x/5] f) =L (x2 + 1)/3]. [3marks] [3marks] 11. 1 and y = 1 - to prove that|x+y# x|+ |y|for all real numbers x and y. 2 d) Use x = [3 marks] e) Find the truth set of each of these predicates where the domain is the set of integers. P(x): x2 < 3 R(x): 2x + 1 = 0 P(x): x >1 [1 mark] [1 mark] [1 mark] 1. 11. 111.