Union and Intersection of Sets

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I need help figuring out how to find the Union or intersection of sets when provided with inequalities.

For example:
Find the intersection of sets {xlx<9},{xlx<-8}
Find the Union of sets {xlx<9}, {xlx<-8}

Thank you!

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3 Answers

Anonymous 0 Comments

Say you have two sets: {3, 6, 9} and {4, 6, 8}

The intersection of them would just be {6}, since that’s the only value in both

The union would be {3, 4, 6, 8, 9} since that all unique values in at least one of them

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