Question

Represente os seguintes conjuntos enumerando seus elementos:
a) A = {x ∈ N / x > 3}
b) C = {x ∈ N / 3 < x < 8}
c) F = {x ∈ Z / x > – 3})
d) H = {x ∈ N / x = 2k + 1 e k ∈ N}
e) B = {x ∈ N / x < 8}

Logo, a alternativa correta é:
a) (3, 5, 6, 7, 8,..),(4, 7, 6, 7),(-2, -1, 1, 1, 2, 3...),(1, 3, 5, 7, 9, 10),(0, 1, 2, 3, 4, 5, 6, 9)
b) (4, 5, 6, 7, 8,..),(4, 5, 6, 7),(-2, -1, 0, 1, 2, 3...),(1, 3, 5, 7, 9, 11),(0, 1, 2, 3, 4, 5, 6, 7)
c) (1, 5, 6, 7, 10,..),(4, 5, 6, 8),(-2, -1, 0, 1, 2, -1...),(1, 6, 5, 5, 9, 11),(0, 1, 2, 3, 4, 5, 6,7)
d) (4, 5, 6, 7, 8,..),(4, 5, 6, 9),(-3, -1, 0, 1, 2, 3...),(1, 4, 5, 7, 9, 11),(0, 1, 2, 3, 4, 5, 6,9)
e) (2, 5, 6, 7, 8,..),(1, 5, 6, 7),(-4, -1, 0, 1, 2, 3...),(1, 4, 5, 7, 9, 11),(0, 1, 4, 3, 4, 5, 6, 7)

Answer 1

Resposta:

letra B

Explicação passo-a-passo:

A = { 4 , 5  , 6 , 7  , 8 ... }

C = { 4 , 5 , 6 , 7 }

F = { -2 , -1 , 0 , 1 , 2 , 3 , 4 ... }

H = { 1 , 3 , 5 , 7 , 9 , 11 }

B = { 0 , 1 , 2 ,  3 , 4 , 5 , 6 , 7 }