April 2000
MA214 : DISCRETE MATHEMATICS

QUESTION 2

Total Marks: 15 Marks

• Question 1
• Question 3
• Question 4
• Question 5
• Cover Page

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SUGGESTED SOLUTIONS
for Question 2

(a)Let A ={a, b, c },B ={b, c, d }and C ={b, c, e }.
Write down the elements that are contained in the following sets.

Are any of these sets equal?[7marks ]

(b)Recall that P(A) denotes the set of all subsets of A
(i)Write down P( {a, b, c })[3marks ]
(ii)A function F :P( {a, b, c }) {0 , 1 , 2 , 3 }is defined by
F(X ) =the number of elements in X
Write down F(X ) for each X P( {a, b, c })[5marks ]