Dados os intervalos :

A= ( -∞ ,0 ]

B= (0, 5 ]

C= ( -5, +∞ )

CALCULE :

a) A U B U C =

b) A ∩ B =

c) A ∩ C =

d) A ∩ B ∩ C =

e) A - B =

f) A - C =

g) (C - A) U (C - B) =

h) (B - A) U (B - C) =

ALGUÉM ME AJUDA POR FAVOR,dando a resposta é explicando!????
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