SOLUTION: Please show work.
Set A = (-3, 3) and set B = [-3, 3]
Find a) A∩B b) A∪B
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Question 1014444: Please show work.
Set A = (-3, 3) and set B = [-3, 3]
Find a) A∩B b) A∪B
Answer by josgarithmetic(39629) (Show Source): You can put this solution on YOUR website!
Pay attention to exactly what the interval notations say and what the set statements say;
A does NOT include the two boundary numbers but set B does include them.
(a)
A INTERSECTED with B is just set A; the values BETWEEN the the two boundaries are common to A and B.
(b)
A UNITED with B is set B; the union of the two sets, so this will INCLUDE the boundary values.
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