What are all the subsets of the set?

{-8, 4}
a. 0 with a line through it, {-8}, {4}
b. {-8}, {4}, {-8, 4}
c. {-8}, {4}
d. 0 with a line through it, {-8}, {4}, {-8, 4}

3 answers

that "zero with a line through it" is called phi

So, which set of subsets includes all possible (including none or all) subsets of {-8,4} ?
I do not know :(
d
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