
Generalidades Funções - 7º ano
Authored by vera dias
Mathematics
7th Grade
Used 107+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Considera a função afim ƒ, definida em ℜ, tal que:
ƒ(x) = ½ x - 3
Qual é a imagem de 0 pela função ƒ?
- 3
0
½
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das correspondências seguintes não é função.
3.
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}
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
De acordo com o diagrama de setas, pode-se afirmar que:
O conjunto A é o contradomínio
A imagem é representada por todos os elementos do conjunto B
Podemos afirmar que trata-se de uma função
O domínio são todos os elementos do conjunto B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O(s) diagrama(s) que representam uma função, é(são):
A
B
C
A e C
Todas são funções
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acordo com o diagrama de setas, pode-se afirmar que:
É uma função
Não é uma função
É um domínio
É um contradomínio
7.
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
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