Funções / Projeto
Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
Leone Alves
Used 8+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seja f(x) = 5x - 1, o coeficiente angular da função é?
5
-1
5x
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Podemos afirmar que o coeficiente linear da função f(x) = 2x + 9 é?
2x
9
x
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na produção de peças, uma fábrica tem um custo fixo de R$ 20,00 mais um custo variável de R$ 2,50 por unidade produzida. Sendo x o número de peças unitárias produzidas, a lei da função que fornece o custo da produção de x peça é?
f(x) = R$ 20,00 + R$ 2,50
f(x) = R$ 22,50
f(x) = R$ 20,00 + R$ 2,50.x
f(x) = R$ 20,00.x + R$ 2,50
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A raiz da função f(x) = 2x - 10 é?
2
-10
5
10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um eletricista cobra uma taxa de 50 reais pela visita ao cliente e mais 25 reais por hora trabalhada. Se este eletricista for contratado para um serviço com duração de 4 horas o valor que deve ser recebido por ele é?
R$ 25,00
R$ 75,00
R$ 150,00
R$ 50,00
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor numérico da função f(x) = 2x + 2, para x = 1 é?
1
4
5
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor que substituímos pela variável x, para a função f(x) = 10.x ser igual a 0 é?
0
10
-10
100
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