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Hollis Group Title

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}

  • 2 years ago
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  1. swissgirl Group Title
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    hmmm how could I have forgotten if a subset is a subset of itself. Jake would you know that? Let me google that give me a sec

    • 2 years ago
  2. estudier Group Title
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    Number of subsets of a set of size n = 2^n

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  3. bahrom7893 Group Title
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    c. , {–1}, {9}, {–1,9}

    • 2 years ago
  4. bahrom7893 Group Title
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    plus the empty set

    • 2 years ago
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