Question

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Answer 1

Explicación paso a paso:

1)

"x" debe estar entre el intervalo señalado:

x = 3

x + 1 = 4

x = 4

x + 1 = 5

x = 5

x + 1 = 6

x = 6

x + 1 = 7

x = 7

x + 1 = 8

x = 8

x + 1 = 9

Conjunto por comprensión:

A = [4, 5, 6, 7, 8, 9]

Suma de números impares:

S = 5 + 7 + 9 = 21