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Funções 10º Mat A

Authored by Belmiro Ferreira

Mathematics

10th Grade

Used 15+ times

Funções 10º Mat A
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19 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Observa a figura. Indica as funções injetivas.

ff

gg

hh

ff e gg

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Observa a figura. Indica as funções bijetivas.

ff e gg

hh

gg e hh

gg

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Observa o esquema e indica o contradomínio de gfg\circ f  .

 {3, 2, 1}\left\{-3,\ -2,\ -1\right\}  

 {2, 5, 10}\left\{2,\ 5,\ 10\right\}  

 {1, 4, 9}\left\{1,\ 4,\ 9\right\}  

 {0, 12, 16}\left\{0,\ 12,\ 16\right\}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Observa o esquema e indica o valor de  gf(3)g\circ f\left(-3\right)  

 22  

 55  

 1010  

 99  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Observa o gráfico e indica o valor de  h1(3)h^{-1}\left(-3\right)  .

 2-2  

 33  

 3-3  

 22  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Considera a função f(x)=x+1x4f\left(x\right)=\frac{x+1}{x-4}  . Qual é o domínio de  ff  ?

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Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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 Qual é o domínio da função ff  ?

 [2, 1]\left[-2,\ 1\right]  

 [2, 2]\left[-2,\ 2\right]  

 {2, 1}\left\{-2,\ 1\right\}  

 {2, 1, 0, 1}\left\{-2,\ -1,\ 0,\ 1\right\}  

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