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Exponenciais e Logaritmos

Authored by Miguel Cruz

Mathematics

12th Grade

Used 326+ times

Exponenciais e Logaritmos
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 Qual eˊ o valor deQual\ é\ o\ valor\ de   log33=?\log_3\sqrt{3}=?  

 12\frac{1}{2}  

-1

1

-2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 Qual eˊ a soluça~o da equaça~o  e2x1=3  ?Qual\ é\ a\ solução\ da\ equação\ \ e^{2x}-1=3\ \ ?  

 ln 4\ln\ 4  

 ln 2\ln\ 2  

 12e4\frac{1}{2}e^4  

 e2e^2  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 Qual eˊ a soluça~o da equaça~o  log2x1=3  ?Qual\ é\ a\ solução\ da\ equação\ \ \log_2x-1=3\ \ ?  

 88  

 1616  

 22  

 44  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 Se logab=6 , enta~o logba2  eˊ igual a:Se\ \log_ab=6\ ,\ então\ \log_ba^2\ \ é\ igual\ a:  

12

 23\frac{2}{3}  

3

 13\frac{1}{3}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Qual eˊ o valor de limx0e4x12x?Qual\ é\ o\ valor\ de\ \lim_{x\rightarrow0}\frac{e^{4x}-1}{2x}?  

4

1

2

0

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

   log3x2\ \ \log_3x\le2 

Assinala todos os valores que são solução da inequação

10

1

9

0

-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Se logax=3  e  logay = 4, enta~o   3loga(xy)=?Se\ \log_ax=3\ \ e\ \ \log_ay\ =\ 4,\ então\ \ \ 3\log_a\left(xy\right)=?  

21

12

7

36

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