Formas de representar uma função
Quiz
•
Mathematics
•
7th - 12th Grade
•
Practice Problem
•
Medium
Diana Lopes
Used 12+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das correspondências representa uma função de Domínio A?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Considere a representação gráfica da função f
D={-2,1,2,3,4} e D'={-2,-1,0,1,3}
D={-2,-1,0,1,3} e D'={-2,1,2,3,4}
D={-2,-1,0,1,3} e D'={-2,0,1,2,3,4}
D={-2,-1,0,1,3} e D'={-2,1,2,3}
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De acordo com o diagrama de setas, pode-se afirmar que:
O conjunto A é o contradomínio
A imagem de 3 é 2.
A imagem de 4 é 5.
O domínio são todos os elementos do conjunto B.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O(s) diagrama(s) que representam uma função, é(são):
A
B
C
A e C
Todas são funções
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O gráfico mostra a viagem de um automóvel entre Coimbra e Porto, passando por Albergaria.
Qual a distância entre Coimbra e Albergaria?
20 km
40 km
60 km
110 km
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O João estava na janela do seu quarto e durante cinco minutos registou, numa tabela, o número de carros que passou na rua ao fim de cada minuto.
A imagem de 2 é 4.
O objeto 2 tem imagem 5.
O domínio é { 3, 5, 0, 2, 5}.
A tabela não representa uma função.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O que é uma função?
(indica a opção correta).
(A) É uma correspondência entre dois conjuntos que a cada elemento do primeiro conjunto faz corresponder um e um só elemento do segundo conjunto.
(B) É o conceito mais importante da matemática.
(C) É uma correspondência entre conjuntos.
(D) Nenhuma destas opções.
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