
Função do 1º Grau
Authored by Kaynan Silva
Mathematics
9th Grade
Used 5+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dada a função f(x) = 5x - 5, indique qual é o coeficiente a e b
a = 5
b = -4
a = 0
b = -7
a = 5
b = -5
a = 7
b = -4
a = 0
b = -7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uma empresa de aluguel de bicicletas cobra uma taxa fixa de R$ 10,00 pelo serviço, mais R$ 5,00 por hora de uso.
Qual é a função que representa o valor total pago pelo aluguel da bicicleta em função do tempo de uso x, em horas?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
10
8
6
4
2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O valor de uma corrida de Uber é determinado por uma tarifa base fixa somada a um valor proporcional à distância percorrida. Suponha que a tarifa fixa seja de R$ 5,00 e o custo por quilômetro rodado seja R$ 2,50.
A função que expressa o preço da corrida em função da distância percorrida x, em quilômetros, é:
P(x) = 5 + 2,50x
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