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OpenStudy (anonymous):
ALGER-BRA 1( check my answer) What are all the subsets of the set? {–1,9} a. , {–1}, {9} c. , {–1}, {9}, {–1,9} b. {–1}, {9}, {–1, 9} (my answer) d. {–1}, {0}
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OpenStudy (anonymous):
none of the above my friend
OpenStudy (anonymous):
oh ok thanks..
OpenStudy (anonymous):
Wait would it be 0, {–1}, {9}, {–1, 9} ?
OpenStudy (anonymous):
actually phi is also a subset
OpenStudy (anonymous):
phi and {-1,9} are called proper subset
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