
ESTUDO DE FUNÇÃO
Interactive Video
•
Mathematics
•
1st Grade
•
Practice Problem
•
Easy
Used 2+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma geral de uma função afim (ou função do 1º grau)?
f(x) = ax + b
f(x) = ax² + bx + c
f(x) = a/x
f(x) = log(x)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dada a função afim f(x) = 3 - 2x, quais são os valores dos coeficientes 'a' e 'b', respectivamente?
a = 3, b = -2
a = -2, b = 3
a = 3, b = 2
a = -2, b = -3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na função f(x) = 5x, quais são os valores dos coeficientes 'a' e 'b', respectivamente?
a = 5, b = 1
a = 0, b = 5
a = 5, b = 0
a = 1, b = 5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
João pegou um táxi que cobra R$4,50 pela bandeirada e R$1,30 por quilômetro rodado. Se João percorreu 25 km, quanto ele pagou ao motorista?
R$ 32,50
R$ 37,00
R$ 30,00
R$ 29,50
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a função matemática que representa o custo de uma corrida de táxi, onde 'x' é a quantidade de quilômetros rodados?
f(x) = 4,50x + 1,30
f(x) = 1,30x + 4,50
f(x) = 1,30 + 4,50x
f(x) = 4,50 + 1,30x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um segurança tem um salário fixo mensal de R$1500,00 e recebe R$120,00 por plantão noturno. Se ele fizer 4 plantões em um mês, qual será o seu salário total?
R$1860,00
R$1920,00
R$1980,00
R$2040,00
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