Ok I’m stuck again sadly, college online won’t show the example right that I’m stuck on to help and the book doesn’t show how to do this one, #8

Ok Im stuck again sadly college online wont show the example right that Im stuck on to help and the book doesnt show how to do this one 8 class=

Respuesta :

A∪B = include all the possible elements in A and in B.

A∪B = (-∞ , ∞ )

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