Question

se puderem colocar a conta tbm eu agradeço ​

Answer 1

Resposta:

a) A U C = {-2,-1,...,4,5...} F

b) A ∩ B = {-2<=x<=4}∩{-1<x<=3} = { -1<x<=3} V

c) A U B = {-2<=x<=4}∩{-1<x<=3} = {-2<=x<=4} F

d) B U C = {-1<x<=3}U{5>=x} = {-1<x<=3 && x>=5} F

e) A ∩ C = {-2<=x<=4}∩{5>=x} = vazio F