
Lista de Exercícios - Função Logarítmica, 3º ano
Quiz
•
Financial Education
•
12th Grade
•
Practice Problem
•
Medium
LUCAS HENRIQUE DOS SANTOS
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Observe o gráfico da função f: IR⁺* → IR. Qual a lei de formação dessa função?
f(x) = -2.log₂x
f(x) = log₂x
f(x) = 2.log x
f(x) = log₂(x/2)
f(x) = log_{1/2} x
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O gráfico a seguir descreve uma função logarítmica: Analisando o gráfico, podemos afirmar que:
I – Essa função é decrescente.
II – A base dessa função é igual a 2.
III – A lei de formação da função é f(x)=log_{(½)}x.
Marque a alternativa correta:
Somente I é falsa.
Somente II é falsa.
Somente III é falsa.
Somente II e III é falsa.
Todas são verdadeiras.
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
No gráfico abaixo, está representada a função definida por f(x) = 3ˣ e sua inversa. A função inversa de f(x) = 3ˣ representada no gráfico por f⁻¹(x) = y é:
y = (⅓)ˣ
x = log₃3
y = log₃x
y = -3ˣ
y = log_{(⅓)}x
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
g(x) = log_2 ( 2 )
g(x) = log_2 ( x )
g(x) = x . log 2
g(x) = log_2(1/2)
g(x) = log_{(1/5)} x
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Observe a representação da função dada por y = log(x), abaixo. Pelos dados da figura, podemos afirmar que o valor de log(a . b) é:
1
10
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