
Função Afim
Authored by Francisco Camelo
Mathematics
KG
Used 12+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual destes gráficos representa uma função constante?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o coeficiente "a" também chamado de angular ou taxa de crescimento da função g(x) = 7x ?
x
g(x)
y
7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O coeficiente angular da reta de equação y=2x+1 é...
2
-2
1
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O coeficiente "b" também chamado de COEFICIENTE LINEAR da reta da equação y = 2x + 1 é:
2
-2
1
-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na função f(x) = ax + b, quando a = 0 temos uma função:
Afim
Linear
Constante
Não é função
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Toda função afim é do tipo:
y = bx + a
y= b + x + a
y = ax² + b
y = ax + b
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma locadora de carros faz o seguinte contrato com seus clientes: O aluguel de um carro popular custa 30 reais por dia mais R$ 0,15 por km rodado. Determine a lei da função que expressa o valor a ser pago por um cliente:
y = 30x
y = 0,15x
y = 30x + 0,15
y = 0,15x + 30
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