
Função Afim
Authored by Aulas Fernando
Mathematics
10th Grade
Used 12+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Dada a função de primeiro grau f(x) = 2x + 3, qual é o valor de f(10)?
A) 10
B) 13
C) 23
D) 30
2.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Qual é o coeficiente linear da função f(x) = 2x - 1?
A) – 2
B) – 1
C) 1
D) 2
3.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Na função f(x) = -3x + 18, qual é o valor de f(x) quando x = 6?
A) -18
B) 0
C) 4
D) 18
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Qual é a raíz da função do 1º grau f(x) = 5x + 15?
A) -3
B) 0
C) 5
D) – 5
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Qual é o coeficiente angular (taxa de variação) da função de 1º grau f(x) = 9x - 27?
A)-27
B) 0
C) 3
D) 9
6.
MULTIPLE CHOICE QUESTION
10 mins • 7 pts
Na produção de peças, uma fábrica tem um custo fixo de R$ 16,00 mais um custo variável de R$ 2,00 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:
A) f(x) = 16x + 2
B) f(x) = 2x – 16
C) f(x) = 16x – 2x
D) f(x) = 2x + 16
7.
MULTIPLE CHOICE QUESTION
10 mins • 7 pts
Na produção de peças, uma fábrica tem um custo fixo de R$ 30,00 mais um custo variável de R$ 2,00 por unidade produzida. Sendo x o número de peças unitárias produzidas, determine o custo de produção de 100 peças:
A) R$ 170,00
B) R$ 200,00
C) R$ 230,00
D) R$ 260,00
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