Question

Given that A={1,2,3,4,5} list the elements of the following sets.
1.{x2:x€A}
2.{ :x€A}
3.{2x:x€A}
4.{4x+1:x€A}

Answer 1

1. {2, 4, 6, 8, 10}
2. {1, 2, 3, 4, 5}
3. {2, 4, 6, 8, 10}
4. {5, 9, 13, 17, 21}