Entender a definição de cada operação entre conjuntos é fundamental para efetuar o cálculo corretamente.
Sejam os conjuntos
A equals open curly brackets x element of straight natural numbers semicolon space 10 less or equal than x less or equal than 28 close curly bracketsB equals open curly brackets x element of straight natural numbers semicolon space x space é space p a r close curly bracketsC equals straight natural numbers equals open curly brackets 1 comma 2 comma 3 comma 4 comma 5 comma... close curly brackets
Dentro do contexto de operações entre os conjuntos A e B, analise as afirmações a seguir.
I. O complemento do conjunto A C subscript C A equals open curly brackets x element of straight natural numbers semicolon space x less or equal than 9 space e space x greater or equal than 29 close curly brackets.
II. A increment B equals open curly brackets x element of straight natural numbers semicolon space x element of A space e space x space é space í m p a r close curly brackets union open curly brackets x element of straight natural numbers semicolon space x less or equal than 8 comma space x greater or equal than 30 space e space x space é space p a r close curly brackets.
III. B cross times C equals open curly brackets open parentheses x comma y close parentheses semicolon space x element of straight natural numbers space e space y space é space p a r close curly brackets.
É correto o que se afirma em
Escolha uma:
a.
I, II e III.
b.
I e II, apenas.
c.
I, apenas.
d.
II e III, apenas.
e.
I e III, apenas.
1 Resposta
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alexandre704
I. O complemento do conjunto A C subscript C A equals open curly brackets x element of straight natural numbers semicolon space x less or equal than 9 space e space x greater or equal than 29 close curly brackets.
II. A increment B equals open curly brackets x element of straight natural numbers semicolon space x element of A space e space x space é space í m p a r close curly brackets union open curly brackets x element of straight natural numbers semicolon space x less or equal than 8 comma space x greater or equal than 30 space e space x space é space p a r close curly brackets.