Função
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
+7
Standards-aligned
Renata Silva
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na produção de peças, uma fábrica tem um custo fixo de R$ 16,00 mais um custo variável de R$ 1,50 por unidade produzida. Sendo x o número de peças unitárias produzidas, determine a lei da função que fornece o custo da produção de x peças:
f(x) = 16x + 1,50
f(x) = 1,50x – 16
f(x) = 16x – 1,50x
f(x) = 1,50x + 16
f(x) = 17,50x
Tags
CCSS.HSA.CED.A.2
CCSS.HSF.BF.A.1
CCSS.HSF.IF.A.1
CCSS.HSF.LE.A.1
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual destes gráficos representa uma função constante?
Tags
CCSS.HSF.IF.A.1
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A expressão analítica da função cujo gráfico é a reta representada no referencial cartesiano é:
f (x) = x + 2
f (x) = x - 2
f (x) = 1/3x + 4
f (x) = - 1/3x + 4
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um motorista de táxi cobra R$ 4,50 de bandeirada mais R$ 0,90 por quilômetro rodado. Sabendo que o preço a pagar é dado em função do número de quilômetros rodados, o preço a ser pago por uma corrida em que se percorreu 22 quilômetros, é
R$ 24,30
R$ 25,20
R$ 26,10
R$ 27,00
R$ 23,40
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dada a função .
Qual o valor de f(3)?
3
9
12
13
Tags
CCSS.HSF.IF.A.1
CCSS.HSF.IF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O gráfico da função definida por interseta o eixo das ordenadas no ponto de coordenadas:
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é o domínio de uma função?
São todos os valores de y
São todos os valores de x
São os valores de y que tem ligação com x
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