Whether the following set is finite or infinite A= { x x=(n-2)+(n+1) , n is element of W}

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Dear student
This question relates to the concept of set theory which will be taught in higher classes.
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Similar questions

State whether each of the following sets is a finite set or an infinite set:

(i) The set of multiples of 8.

(ii) The set of integers less than 10.

(iii) The set of whole numbers less than 12.

(iv) ${x : x = 3 n - 2, n \in W, n \leq 8}$ (v) ${x : x = 3 n - 2, n \in Z, n \leq 8}$ (vi) ${x : x = \frac{n - 2}{n + 1}, n \in W}$

A = {x ϵ N : (x - 1) (x - 2) = 0}

B = {x ϵ N : x i s o d d}

{x : x \in N

x

< 12}

D = {x | x = 2^{n}, n \in N}

\in

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