Mary H. answered 11/11/14
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Tutor for Elem. and Middle Sc. Math, Algebra, Geometry and Sciences
Hi Tigerfilly,
Real and rational numbers can include fractions, decimals, etc.
"Integers" does not include fractions or decimals.
Since Greg is going to sell complete blankets, the domain is choice "C".
Hope this is one of those, "Oh, yah!" moments,
Mary Ann
Tigerlilly W.
11/11/14