Função Afim
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned

Marina Batistelle
Used 80+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dada a função afim f(x) = x +1 responda:
função crescente
função exponencial
função quadrada
n.d.a
2.
MULTIPLE CHOICE QUESTION
15 mins • 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
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A expressão algébrica pode corresponder ao gráfico:
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Toda função afim é do tipo:
y = bx + a
y= b + x + a
y= ax² + bx + c
y = ax² + b
y = ax + b
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual dessas funções, é uma função crescente?
y = 2
y = -2x + 5
y = -x - 1
y = 4x - 10
Tags
CCSS.HSF.IF.C.7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O governo da Cidade do México passou a oferecer à população bicicletas como opção de transporte. Por uma anuidade de 24 dólares, os usuários têm direito a 30 minutos de uso livre por dia, e, se quiser estender a pedalada, paga 3 dólares por hora extra.
A expressão que relaciona o valor f pago pela utilização da bicicleta por um ano, quando se utilizam x horas extras nesse período é
f(x) = 3x
f(x) = 24
f(x) = 27
f(x) = 3x + 24
f(x) = 24x + 3
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Para uma função afim ser decrescente, o que precisa acontecer?
a>0
a<0
b>0
b<0
a<0 e b<0
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