Respuesta :

bgunn12345678
Well, you know the first set can't be the answer, since it makes it such that x is more than 1:

{x | x e R, x > 1}

and our set clearly includes 1. And since each of the numbers in the set are whole numbers, set two can not be right, because it does not specify that numbers must be whole. it only specifies that numbers must be real and more than 1. Thus the third set is the answer. 
groseinger

Answer:

{x | x e N, x ≥ 1}

-3rd option

Step-by-step explanation:

The sets that are included in 1,2,3... will not all be real numbers but will all be natural numbers. X will have to be greater than or equal to 1, the starting point for all of the numbers to follow.

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