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anonymous
 5 years ago
what is the union of X and Y?
X. (3,5,9) Y. (5,10,15)
anonymous
 5 years ago
what is the union of X and Y? X. (3,5,9) Y. (5,10,15)

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The union is the set of elements which are in at least one of the sets.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i need a number answer, and i can't figure it out

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0but what numbers are in that set for my answer?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The union is all of the numbers that are in either set.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0someone told me the answer was 48, but am i adding the numbers or what to get that answer?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Nope, you are just sticking them inside some parentheses together.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0So your answer will look like (number,number,number,...)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Since 3 is in X, 5 is in both, 9 is in X, 10 is in Y, and 15 is in Y, the answer is \(\{3,5,9,10,15\}\).
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