
FUNÇÃO - INTRODUÇÃO
Authored by ROZANA FARIAS
Mathematics
10th Grade
Used 9+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 – Qual das correspondências é uma função?
Correspondência I
Correspondência II
Correspondência III
Correspondência IV
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
2 - A correspondência NÃO É função porque:
O objeto - 4 não tem imagem.
Cada elemento do conjunto A correspondem a um único elemento em B.
O objeto - 2 não tem imagem.
6 e 8 são imagens da função de A em B.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 - Qual dos conjuntos representa o domínio da função?
{0,1,4,8,12,16}
{0,4,8,12}
{0,1,2,3}
{0,1,2,3,4,8,12,16}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4-Qual dos conjuntos representa o contradomínio da função?
{7,14,25}
{5,7,14,15,16,25,26}
{5,15,16,29}
{5,12,23}
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
5 - Assinala as opções verdadeiras.
Existe um elemento que não tem imagem.
g (3) = 12
A imagem do objeto 2 é 8.
g (4) = 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6 - Estabeleça o domínio da função:
x = 1
x pertence ao conjunto dos reais.
x ≠ 1
x > 1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7 - Considera a função f(x) = x − 2 . Qual o valor de f(−1) ?
-1
1
-3
3
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