Question

CISE
1B
tate whether each of the following sets is a finite set or an infinite set.
(i) The set of the multiples of 5
(ii) The set of the positive integers greater than 20
(iii) The set of the numbers which are factors of 32
(iv) A = {x : x = 2n, where n eN}
(v) B = {x : x = 3n +1, where n eN and n < 20}
(vi) The set of the positive integers which have the digit 2 in the uni
n-1
(vii) A = {x:x =
where n eN
EN
п​

Answer 1

Answer:

i) infinite

ii) infinite

iii)finite

iv) infinite

v) finite

vi) infinite

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