The reasonable domain for this situation is { 1, 2, 3, 4, 5, 6 }.
A set is a well defined collection of objects.Set are represented by many forms two of them are set builder form and roaster form.
According to the given question The cost of a dozen eggs is 2.50 dollars.
At this store you must by them in packs by the dozen and they do not allow you to buy more than 6 dozen eggs at a time,So we can buy eggs in dozen from 1 dozen to 6 dozen.
This can be represented in roaster form by { 1, 2, 3, 4, 5, 6 }.
This can also be represented by set builder form as { x : x ∈ N and 1≤x≤6 }
where x represents no. of dozens of egg.
learn more about sets here :
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