Thus there is a variable on the left of the separator and a rule on the right of it. As far as I can set in this set I need to find a way to express -1-1 then alternate to 2-1 then -3-1 then 4-1 and so onI am thinking something like. A x.
For example the set 1 2 3 4 5 6 7 8 9 list the elements.
Im still not sure Im getting it in terms of set builder notation though. X x 2 or x 3 On the Number Line it looks like. Set-Builder Notation and Interval Notation. Learn how to write a set in set builder notation.