Asked by Marie
                Could someone please explain the union to me. I don't understand. I get the intersection ones but not union. HElp me?
Ecample: (-1,1)U[0,6]
            
        Ecample: (-1,1)U[0,6]
Answers
                    Answered by
            Steve
            
    intersection is where the intervals overlap
union is evetrything in either one
(-1,1) extends from -1 to 1
[0,6] extends from 0 to 6
If you supermimpose the two shaded intervals, you will see that the combined shaded interval is
(-1,6]
The stuff in [0,1) is shaded twice, but that's ok. It's part of everything that's shaded.
    
union is evetrything in either one
(-1,1) extends from -1 to 1
[0,6] extends from 0 to 6
If you supermimpose the two shaded intervals, you will see that the combined shaded interval is
(-1,6]
The stuff in [0,1) is shaded twice, but that's ok. It's part of everything that's shaded.
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