October 2020 0 64 Report
Sejam os conjuntos: A= {x∈R/ 1≤ x <5} e B= {x∈R/ 2 ≤ x ≤6}. Assinale a alternativa correta (com explicação):    a) A ∩ B={2,3,4} 
b) A ∩ B={xER/2<=x<=5} 
c) A ∩ B={xER/2<x<5} 
d) A ∩ B={xER/2<=x<5} 
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