Question

Which of the following sets describe infinite set?

Answer 1

Answer:

The set of all integers, {..., -1, 0, 1, 2, ...} is a countably infinite set. The set of all even integers is also a countably infinite set, even if it is a proper subset of the integers. The set of all rational numbers is a countably infinite set as there is a bijection to the set of integers.

Step-by-step explanation:

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