
Expansão de Fluidos - Função Matemática
Authored by VANILDO FERREIRA
Mathematics
12th Grade
Used 1+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1,5 L.
2,5 L.
2,875 L.
3,125 L.
7,5 L.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na informática, um spam é uma mensagem eletrônica, geralmente com fins publicitários. Considerando que N, o número de spams enviados automaticamente por um programa, é dado em função do tempo t, em minuto, por N(t) = (1250t)/(5+3t), em quantos minutos, aproximadamente, são enviados 250 spams por esse programa?
1 minutos
2 minutos
2,5 minutos
4 minutos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) [Gráfico A]
B) [Gráfico B]
C) [Gráfico C]
D) [Gráfico D]
E) [Gráfico E]
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe abaixo a representação do gráfico de uma função f: [–5, 6] → [–3, 3]. Qual é o intervalo em que essa função f é decrescente?
[–5, –1].
[–5, 6].
[–3, 5].
[–1, 2].
[2, 6].
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[Gráfico A]
[Gráfico B]
[Gráfico C]
[Gráfico D]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
infinitas soluções reais.
uma raiz real e igual a 2.
uma raiz real e igual a 9.
uma raiz real e igual a -1.
duas raízes reais e iguais a 2 e 9.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A tabela abaixo representa uma função linear f(x).
y = 2x + 4
y = 3x - 5
y = 3x + 5
y = 2x - 2
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