Question

Which is the intersection of the sets {0, 1, 5, 7, 8} and {0, 5, 7, 9}?

Answer 1

The intersection of the steps is just a fancy way of asking wi\hich numbers are in both equations so lets look and see :)

The 1st = 0...1...5...7...8
The 2nd =0........5...7........9
 Answer = D {0, 5, 7}
Hope this helps have any questions let me know :)