
REVISÃO FUNÇÃO AFIM
Authored by ANTONIA BARRA
Mathematics
9th Grade
Used 211+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função f(x)=3x+2 é:
uma função linear
uma função afim
uma função constante
uma função quadrática
2.
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dada a função afim f(x) = x +1 responda:
função crescente
função decrescente
4.
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
5.
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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dessas funções, é uma função crescente?
y = 2
y = -2x + 5
y = -x - 1
y = 4x - 10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para uma função afim ser decrescente, o que precisa acontecer?
a>0 (positivo)
a<0 (negativo)
b>0 (positivo)
b<0 (negativo)
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