Question

LetW = the set of whole numbersF = the set of (non-negative) fractionsI = the set of integersN = the set of negative integersQ = the set of rational numbersSelect each set that is closed under addition.

Answer 1

Verify each set

W ---------> are closed under addition

F ------> are closed under addition

I ------> are closed under addition

N ----> are closed under addition

Q ----> are closed under addition