
Função Logarítmica
Authored by ANA FOSS
Mathematics
12th Grade
Used 5+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a definição de uma função logarítmica?
A função f: R*+ → R é dada por f(x) = logₐx, com a>0 e a≠1
A função f: R → R é dada por f(x) = x²
A função f: R*+ → R é dada por f(x) = eˣ
A função f: R → R é dada por f(x) = sen(x)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que significa o conjunto R*+ no contexto da função logarítmica?
Conjunto Domínio: Reais não negativos, excluindo o zero
Conjunto Imagem: Todos os números inteiros
Conjunto dos números complexos
Conjunto dos números negativos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o conjunto imagem das funções logarítmicas?
Será sempre todos os reais.
Será sempre todos os positivos.
Será sempre todos os negativos.
Será sempre todos os inteiros.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas abaixo é um exemplo de função logarítmica?
y = logx
y = x²
y = sen(x)
y = 2ˣ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de f(5) para a função logarítmica f(x) = log₄(x - 1)?
1
2
0
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma função logarítmica possui lei de formação igual a f(x) = log₂x. Qual deve ser o valor numérico de x para que f(x) = 10?
64
128
256
512
1024
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