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Assessment

Quiz

Mathematics

Professional Development

Practice Problem

Medium

Created by

Lígia Freitas

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Seja g(x)=x+3.g\left(x\right)=\left|x\right|+3.  Qual das seguintes equações tem duas soluções distintas?

 g(x)=1g\left(x\right)=1  

 g(x)=2g\left(x\right)=2  

 g(x)=3g\left(x\right)=3  

 g(x)=4g\left(x\right)=4  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As coordenadas do vértice do gráfico da função  definida por  f(x)=2x1+3f\left(x\right)=-2\left|x-1\right|+3 são: 

(-1, 3)

(1, 3)

(1,-2)

(-2, 3)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A função representada na figura pode ser definida por:

f(x)=x31f\left(x\right)=\left|x-3\right|-1

f(x)=x+31f\left(x\right)=\left|x+3\right|-1

f(x)=x3+1f\left(x\right)=\left|x-3\right|+1

f(x)=x+3+1f\left(x\right)=\left|x+3\right|+1

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O conjunto-solução da equação 2x>5\left|2-x\right|>5  é:


]- \infty  , -3]

]-3,  +\infty  [

IR\ [-3, 7]

]-3, 7[

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Considera a função h representada na figura.


Qual dos gráficos seguintes poderá corresponder a f(x)=h(x)f\left(x\right)=\left|h\left(x\right)\right| 

Media Image
Media Image
Media Image
Media Image

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Escreve o maior zero da função real de variável real, definida por y=-3\left|x-6\right|+3 .

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Escreve o valor de   aa   sabendo que o gráfico da função  h(x)=ax5+3h\left(x\right)=a\left|x-5\right|+3  interseta o eixo Oy no ponto de ordenada -2.

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