Sets
4 marks · NormalLet the universal set . Set and set .
(a)[1 mark]
List the elements of .
(b)[1 mark]
List the elements of .
(c)[1 mark]
Write down , the complement of set in .
(d)[1 mark]
Describe, using set notation, the set of elements in that belong to but not to .
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(a) {4, 5, 6, 7, 8}
(b) {5}
(c) {4, 7, 9}
(d) A \setminus B \;\text{or}\; \{4, 7\}
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Marking points
A1 (a) · 1 mark · Correctly lists all elements in .
A2 (b) · 1 mark · Correctly lists all elements in .
A3 (c) · 1 mark · Correctly writes the complement .
A4 (d) · 1 mark · Correctly writes or in set notation.
Worked solution
a)
b)
c) is all elements in not in :
d) Elements in but not in is .