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Mathematics

9th - 10th Grade

Used 1+ times

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8 questions

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1.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

 f(x)=3x1f\left(x\right)=3x-1  é uma função do 1º grau, indique as alternativas verdadeiras

 f(0)=1f\left(0\right)=-1  

 f(1)=3f\left(1\right)=3  

 f(2)=7f\left(-2\right)=-7  

 f(x)=11f\left(x\right)=11  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Qual destes gráficos representa uma função constante?

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3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Podemos afirmar que a função que gerou o gráfico acima é:

uma função crescente

uma função decrescente

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A expressão algébrica  y=x+3y=-x+3  pode corresponder ao gráfico:

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5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Para a função F(-10) = -2x + 7, qual o valor de y?

-13

13

-27

27

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Qual dos gráficos abaixo, melhor representa a função F(x) = 3x - 1

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7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Assinale o gráfico que corresponde à função f(x) = -3x + 6 = 0:

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