Funções

Funções

7th Grade

8 Qs

quiz-placeholder

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Funções

Funções

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

Dulce Carrelo

Used 47+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Qual das correspondências não é uma função?

(A)

(B)

(C)

(D)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual dos seguintes gráficos não representa uma função?

(A)

(B)

(C)

(D)

3.

MULTIPLE CHOICE QUESTION

30 sec • 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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

O domínio da função é:

{-5, -3, 0, 1, 12\frac{\text{1}}{\text{2}} }

{-5, -4, -2, 3,1, 1121\frac{1}{2} , 2}

{-4, -2,1, 1\frac{1}{2} , 2}

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

O contradomínio da função g é:

{1, 12, 0, 14, 6}\left\{-1,\ -\frac{1}{2},\ 0,\ -\frac{1}{4},\ 6\right\}

{1, 12, 0, 6}\left\{-1,\ -\frac{1}{2},\ 0,\ 6\right\}

{12, 14, 0, 3}\left\{-\frac{1}{2},\ -\frac{1}{4},\ 0,\ 3\right\}

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Na função  ff  , com a seguinte expressão algébrica  f(x)=x2f\left(x\right)=x-2 , qual é a imagem de 5?

7

-2

3

52

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Quais são as coordenadas dos pontos A e B?

A(0,2) e B(0,3)A\left(0,-2\right)\ e\ B\left(0,3\right)

A(2,0) e B(0,3) A\left(-2,0\right)\ e\ B\left(0,3\right)\

A(0,2) e B(3,0)A\left(0,-2\right)\ e\ B\left(3,0\right)

A(2,0) e B(3,0)A\left(-2,0\right)\ e\ B\left(3,0\right)

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