
Simulado Prova Funções
Authored by GUILHERME ALEXANDRE VIEIRA
Mathematics
9th Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dada a função:
f(x) = 6⋅x + 25
Quanto vale f(10)?
f(10) = 60
f(10) = 85
f(10) = 35
f(10) = 41
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Se f(x) = 5x + 25, para qual valor de x temos f(x) = 50?
x = 3
x = 6
x = 5
x = 4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Para a função f(x) = 6x + 25, qual é o valor de f(2)?
f(2) = 37
f(2) = 25
f(2) = 49
f(2) = 31
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dada a função f(x) = 6x + 25, qual é o valor de f(5)?
f(5) = 55
f(5) = 61
f(5) = 35
f(5) = 49
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Uma espécie de planta tem seu tamanho definido pela lei de formação:
C(d) = 2,5⋅d + 20
Onde C → comprimento em cm
d → número de dias passados
Depois de 20 dias, qual será seu tamanho?
7m
70cm
50cm
5m
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é a função f(x) que gerou o gráfico ao lado?
f(x) = 2⋅x + 1
f(x) = 2⋅x - 1
f(x) = 2⋅x
f(x) = 3⋅x
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Uma determinada espécie de planta, ao atingir a altura de 12 cm, passa a crescer 3 cm a cada dia. Qual expressão melhor define a altura (h) em função dos dias (d) de crescimento a partir da altura de 12 cm?
h = 12 + 3ᐧd
h = 12 + d
h = 3ᐧd
h = 12 - 3ᐧd
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