
Treinando/Revisão de Função
Authored by Claudinha Araújo
Mathematics
1st - 10th Grade
Used 8+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dada a função F(x) = 5 - 8x, o coeficiente angular e o coeficiente linear são:
a = 5 e b = 8
a = -8 e b = 5
a = 5 e b = -8
a = -8 e b = -5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seja a função f(x) = 5 - 8x podemos classificá-la como:
Função constante
Função linear
Função par
Função afim
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O gráfico da função f: R R, definida por f(x) = 5 - 8x é:
crescente
decrescente
constante
uma parábola
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dada a função f: R R, definida por f(x) = - 4x - 1 a raíz da função é:
x = -1
x =
x = - 4
x =
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dados A = {-1, 0, 1, 2} e B = { -4, -3, -2, -1, 0} a relação de A em B definida por f(x) = -x - 3 é um função?
Sim
Não
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dados os conjuntos A = {-1, 0, 1, 2} e B = {-5, -4, -3, -2, -1} a função de A em B definida por f(x) = -x - 3 é:
Injetora
Sobrejetora
Bijetora
Inversa
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dadas f(x) = -2x - 1 e g(x) = 3x - 2, f(g(x)) é igual a:
f(g(x)) = - 6x + 4
f(g(x)) = - 6x + 3
f(g(x)) = - 6x - 5
f(g(x)) = 6x + 3
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