
Funções - revisão
Authored by Helena Oliveira
Mathematics
7th - 8th Grade
Used 14+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das seguintes correspondências representa uma função?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual dos seguintes gráficos representa uma função?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Considera a função f representada no diagrama de setas.
O contradomínio da função f é:
{2, 4}
{9}
{5, 7, 9}
{5, 7}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observa o gráfico da função f.
Qual é a imagem do objeto 4?
1
2
3
4
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Considera a função definida pela expressão algébrica .
Escolhe duas opções corretas.
A imagem do objeto 2 é 32.
A imagem do objeto 2 é 6.
O objeto que tem imagem 27 é 9.
O objeto que tem imagem 9 é 27.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Observa o referencial cartesiano.
Os pontos A, B e C têm coordenadas, respetivamente:
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O domínio da função g é:
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