
Matemática-1 ano NPC
Authored by João Queiroz
Mathematics
10th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dadas as funções f(x) = 2 x² – 4 e g(x) = 4 x² – 2x, se x satisfaz f(x) = g(x), então 2x é:
4
5
2
3
1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suponhamos que a população de uma certa cidade seja estimada, para daqui a x anos, por f (x) = . Determine a população referente ao terceiro ano.
19. 620
18.987
18.882
19.754
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Um grupo de biólogos está estudando o desenvolvimento de uma determinada colônia de bactérias e descobriu que sob condições ideais, o número de bactérias pode ser encontrado através da expressão N(t) = 2000 . , sendo t em horas.
Considerando essas condições, quanto tempo após o início da observação, o número de bactérias será igual a 8192000?
18 horas
20 horas
22 horas
24 horas
26 horas
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determine o valor da expressão:
6
0
1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Seja
Determine f(0) + f(1)
3
8
10
12
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se x é um número real maior que 2, qual é o valor da expressão:
-1
1
0
2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A alternativa que representa o gráfico da função f(x) = |x + 1| + 2 é:
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