
Função: Domínio, contradomínio e Imagem
Authored by Daniely Maria
Mathematics
KG
Used 127+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dada a função f: A B, podemos afirmar que o conjunto imagem dessa função é:
Im(f) = A
Im(f) = {2,3,5}
Im(f) = {2,3}
Im(f)= {1,2,4}
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dada a função f: A B, determine o contradomínio dessa função.
CD(f)= A
CD(f)= {0,2,3}
CD(f)= {3,6,9}
CD(f)= B
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dada a função f: A B, podemos afirmar que o domínio de f é:
D(f)= {-1,0,1,2} ou D(f)= A
D(f)= A ou D(f)= B
D(f)={-1,2,5,8} ou D(f)=B
D(f)= B
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Seja a f: A → B dada pela lei de formação f (x) = 2x , onde A = {0, 1, 2, 3} e B = { 0, 1, 2, 3, 4, 5, 6 }, qual será o conjunto imagem dessa função?
Im( f) = {0, 1, 2, 3}
Im(f)= {0, 2, 4, 6}
Im( f) = { 0, 1, 2, 3, 4, 5, 6, }
Im (f) = A
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Se f(x) = 3x+5 , calcule f(2) :
10
11
12
13
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Dada a função f(x) = 3x , ache a imagem a partir do domínio A = {-2, 1, 2}.
Im (f) = { 3,4,5}
Im (f) = { 1,6}
Im (f) = { -6 ,3 ,6}
Im (f) = { 3,6}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acordo com o diagrama é correto afirmar:
{ 0,4} é o domínio
O diagrama não representa uma função
B é o contradomínio
É uma função de A B
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