
função do 1º grau
Authored by Niel Batista
Mathematics
10th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na função f(x) = ax + b, quando a = 0 temos uma função:
Afim
Linear
Constante
Não é função
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual dessas funções, é uma função crescente?
y = 2
y = -2x + 5
y = -x - 1
y = 4x - 10
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Assinale a única função que NÃO é afim:
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A função f(x)=3x+2 é:
uma função linear
uma função afim
uma função constante
uma função de proporcionalidade direta
5.
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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marina fez um teste de Matemática e errou, calcule você de forma correta f(x) = 2x + 2, calcule o valor de f(1):
2
4
6
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Qual é o coeficiente linear da função f(x) = 2x - 1?
A) – 2
B) – 1
C) 1
D) 2
E) 0
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