Consider the set X= (2,3) U (8,10) 1. show that this set is

Last updated: 8/6/2022

Consider the set X= (2,3) U (8,10) 1. show that this set is open. 2. show that this set is not convex. 3. consider set Y=[3,8]. Is Y an open set? is X U Y open? Why/ Why not? 4. Is X and Y connected? WHY/WHY NOT?