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OpenStudy (anonymous):
What are all the subsets of the set? {–1,9} a. , {–1}, {9} c. , {–1}, {9}, {–1,9} b. {–1}, {9}, {–1, 9} d. {–1}, {0}
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OpenStudy (anonymous):
A subset is an element which is a part of a set. In this case it would be the first option.
OpenStudy (anonymous):
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