Question

Dados A=]-5,2], B=[-6,6] e C=]-∞,2] calcule a) AUB∩C b)A∩B

Answer 1

A={-4,-3,-2,-1,0,1,2}
B={-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6}
C={...,0,1,2}
A) {-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6} ∩ {...0,1,2} ={0,1,2}
B) {-4,-3,-2,-1,0,1,2}

Answer 2

a) ] 2]

b) =[ ]

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