
Funções
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Easy
Patricia Padilha
Used 2+ times
FREE Resource
15 Slides • 10 Questions
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Multiple Choice
Quais são as coordenadas dos pontos A e B?
A(-2,-3) e B(2,0)
A(-2,-3) e B(0,2)
A(-3,-2) e B(2,0)
A(-3,-2) e B(0,2)
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Multiple Choice
Cada um dos seguintes diagramas representa uma correspondência entre os conjuntos A e B. Qual destas correspondências não é uma função?
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Open Ended
Considere a função f representado pelo diagrama de setas ao lado. Indica o domínio, o contradomínio e o conjunto de chegada de f .
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Multiple Choice
Em qual das figuras seguintes se representa o gráfico cartesiano de uma função com domínio {1,2,3,4}?
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Multiple Choice
Considera a função f : {−3,0,1} → ℚ, que a cada valor do domínio associa o seu triplo. Qual das afirmações é verdadeira?
Df={−3,0,1}
Df′=Q
O original que tem imagem 6 é o - 3.
A imagem de 1 é 2.
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Multiple Choice
Qual dos gráficos seguintes representa uma função?
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Multiple Choice
Qual é a expressão algébrica que pode definir a função f , dada pelo diagrama de setas?
f(x)=−x
f(x)=−x−1
f(x)=−x+1
f(x)=x−1
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Multiple Choice
Qual das funções representa os valores da tabela?
g(x)=x+12
g(x)=x−12
g(x)=2x
g(x)=12x
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Open Ended
Considera a função g: A → B , definida por g(x)=2x−3 sendo A={0,1,2,3} . Qual é o contradomínio da função?
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