Question 191851: This is a question our instructor gave us and I am at a loss. Please help.
For sets A and B, determine whether A=B, A is a subset of B, or B is a subset of A. A={x|x eN and 13< x < 20} b={14, 15, 16, 17, 18}. (She wants the steps shown). Thanks you for your continued help.
Answer by user_dude2008(1862)   (Show Source):
You can put this solution on YOUR website! A={x|x eN and 13< x < 20} ----> A = {14,15,16,17,18,19}
All of B is in A ----> B is a subset of A
A is not subset of B since 19 e A but 19 is not subset of B
---> A does not equal B
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