REVISÃO PROVA PARANÁ
Quiz
•
Mathematics
•
12th Grade
•
Medium
KEILA AZEVEDO
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13 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Determinado imóvel foi avaliado em R$ 35 000,00 e, a partir daí, valoriza-se exponencialmente de acordo com a função
v(t) = 350(1,1)^t, em que t representa o tempo (em anos) e v é o valor do imóvel (em milhares de reais). Qual será o preço desse imóvel após 3 anos da avaliação?
R$ 460 750,00
R$ 465 850,00
R$ 480 500,00
R$ 490 850,00
2.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
f⁻¹(x) = log₄4
f⁻¹(x) = x⁴
f⁻¹(x) = 4ˣ
f⁻¹(x) = 4x
f⁻¹(x) = log (x/4)
3.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Cosseno é a razão entre o cateto adjacente a um ângulo e a medida da hipotenusa. Sendo α igual a 45°, encontre o valor aproximado do cateto adjacente ao ângulo alpha, no triângulo da figura. Considere cos 45° = 0,7
15,6 m
19,6 m
20,6 m
22,6 m
4.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Observe o seguinte esboço
de um gráfico. A função que gerou este gráfico é representada por:
y = 1 + cos(x)
y = −1 + cos(x)
y = 1 + sen(x)
y = −1 + sen(x)
y = 1 + tg(x)
5.
MULTIPLE SELECT QUESTION
15 mins • 3 pts
Um poliedro convexo possui 9 faces, 5 quadrangulares e 4 triangulares. Então, o número de arestas e o de vértices desse poliedro, respectivamente, é
16 e 9
18 e 6
12 e 10
14 e 8
10 e 6
6.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
O número de vértices de um poliedro convexo de 10 faces quadrangulares é:
32
12
20
15
18
7.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Um geólogo encontrou, numa de suas explorações, um cristal de rocha no formato de um poliedro, que satisfaz a relação de Euler, de 60 faces triangulares. O número de vértices desse cristal é igual a:
35
34
33
32
31
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