Funções I

Funções I

7th Grade

12 Qs

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Funções I

Funções I

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Medium

Created by

Cristina Martins

Used 9+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Quais são as coordenada do ponto B?

(3,4)

(-3,-4)

(4,3)

(-3,4)

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Quais são as coordenadas do ponto A?

(4,0)

(0,4)

(4,4)

(-1,4)

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

O ponto de coordenadas (3,-5) situa-se no :

1.º quadrante

2.º quadrante

3.º quadrante

4.º quadrante

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Em qual dos seguintes diagramas de setas está representada uma função?

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Observa a função representada pelo diagrama de setas. Pode afirmar-se que:

O conjunto A é o contradomínio

A imagem de 3 é 2.

4 é o objeto que tem imagem 5.

O domínio é formado por todos os elementos do conjunto B.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Considera a função ff .

Podemos afirmar que:

 Df={1 , 2 , 3 , 4}D_f=\left\{-1\ ,\ 2\ ,\ 3\ ,\ 4\right\}  

f(8)=4f\left(8\right)=4

O contradomínio é {-3 , -2 , 0 , 2 , 4 , 6 , 8}.

O conjunto de chegada é {-2 , 2 , 4 , 8}

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Na função  gg , qual das opções representa  g(12)g\left(-\frac{1}{2}\right)  ?

-1

 14-\frac{1}{4}  

0

6

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