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Question
State if the following set is a finite set or an infinite set:
{x : x = 3n – 2, n ∈ W, n ≤ 8}
Solution
{x : x = 3n – 2, n ∈ W, n ≤ 8}
Substituting the value of n = (0, 1, 2, 3, 4, 5, 6, 7 and 8) we get
= {-2, 1, 4, 7, 10, 13, 16, 19, 22}
It is finite set.
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