
Função 1º grau - Descritor : Hd39
Authored by ELEN FERREIRA
Mathematics
1st Grade
Used 7+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Um entregador cobra R$ 30,00 por dia de trabalho, mais R$ 2,50 por entrega realizada.
Em um dia em que esse entregador ganhou R$ 172,50 quantas entregas ele fez?
54
55
56
57
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere a função f(x)= -3x+4
Qual é a imagem do objeto 2 ?
1
4
-2
-4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Considere a função afim f(x)= 2x - 3 de domínio D={-1, 0, 2, 3}
Qual é o contradomínio da função f ?
D'={-5,-3,1,3}
D´={-7,-3,1,2}
D'={-3,-1,1,3}
D'={-3,0,3,5}
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Um entregador cobra R$30,00 por dia de trabalho mais R$2,50 por entrega realizada.
Quantos reais ganhará esse entregador se em um dia fizer 50 entregas?
R$ 100,00
R$ 155,00
R$ 225,00
R$ 230,00
R$ 300,00
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Se f (x) = 3x, então f (36) corresponde a:
a) 33
b) 39
c) 108
d) 12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere a função f(x) = 5x - 7.
Qual é o valor de f(4)?
7
11
20
13
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um entregador cobra R$ 25,00 por dia de trabalho, mais R$ 3,00 por entrega realizada.
Quantos reais ele receberá se fizer 40 entregas em um dia?
R$ 120,00
R$ 145,00
R$ 160,00
R$ 170,00
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