Início do estudo de funções. Tópicos da aula:
(00:08) Plano cartesiano e par ordenado
(02:42) Produto cartesiano
(09:58) Relação binária
(15:44) Definição de função
(19:35) Domínio, contradomínio e imagem
Siga no Instagram: @matematicaemexercicios
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