
Função exponencial e função logarítmica
Authored by Vítor Reis
Mathematics
12th Grade
Used 17+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Considera uma função , de domínio , definida por , onde designa um certo número real. O gráfico de interseta o eixo Oy no ponto de ordenada 2.
Indica o valor de
2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Indica o conjunto dos números reais que são soluções da inequação
]-2,1[
]-1,2[
] ,-2[
]-2, [
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Seja um número real maior do que 1.
Indica qual das expressões seguintes é igual a
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sejam e dois números reais superiores a 1 e tais que .
Qual dos valores seguintes é igual a ?
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Na figura, está parte da representação gráfica da função , de domínio , definida por
P é o ponto do gráfico de que tem ordenada .
Qual é a abcissa do ponto P?
2
3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Seja um número real.
Sabe-se que
Qual é o valor de ?
2016
2024
2114
4028
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Para certos valores de e de , tem-se
Qual é, para esses valores de e de , o valor de ?
2
5
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