Relações, funções
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
FABIANO VIANA
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Uma relação f de A em B é tal que: todos os elementos de A possuem correspondente em B e cada elemento de A possui um único correspondente em B. Essa relação é chamada de:
Uma correspondência
Uma ligação
Uma função
Uma ordenação
2.
MULTIPLE CHOICE QUESTION
5 mins • 8 pts
{(2,3) , (3,7) , (5,7) , (7,15) , (11,23)}
{(2,5) , (3,7) , (5,17) , (7,17) , (11,23)}
{(2,5) , (3,7) , (5,11) , (7,15) , (11,23)}
{2,5) , (3,7) , (7,15) , (11,23)}
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Julgue a afirmação: A relação de estrelas em triângulos abaixo é uma função.
Falso
Verdadeiro
4.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
Qual o conjunto imagem da relação R representada pelo diagrama abaixo?
Essa relação não possui conjunto imagem
{ -3, -2, -1, 0, 1, 2}
{ -1, 0, 1, 2, 3}
{ -3, -2, -1, 0, 1}
5.
MULTIPLE CHOICE QUESTION
10 mins • 15 pts
Qual é a lei de formação para a função representada pelo diagrama abaixo?
6.
MULTIPLE CHOICE QUESTION
10 mins • 17 pts
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Qual dos pontos descritos nas alternativas pertence ao gráfico da função f representada na figura?
( - 2, 2)
( - 1, - 1 )
( 1, - 3 )
( 0, - 4 )
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