Homework answers / question archive / Consider the set X=(10,233)  show that the set is open  show that the set is convex if set y is 258 consider XuY is it open  is XuY convex 

Consider the set X=(10,233)  show that the set is open  show that the set is convex if set y is 258 consider XuY is it open  is XuY convex 

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Consider the set X=(10,233) 

show that the set is open 

show that the set is convex

if set y is 258 consider XuY is it open 

is XuY convex