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Fonctions exponentielles et logarithmes

Authored by Nathalie Primeau

Mathematics

12th Grade

Used 10+ times

Fonctions exponentielles et logarithmes
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25 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Quelle est la solution de l'équation suivante?


 2x+4  16 = 02^{x+4}\ -\ 16\ =\ 0  

x = -4

x = 0

x = 2

x = 4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

x = 3

x = 6

x = 7

x = 12

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Quelle est la solution de l'équation suivante?
 log2(x+2) + log2x= 3\log_2\left(x+2\right)\ +\ \log_2x=\ 3  

x = 1

x = 2

x = 3

x = 4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Quelle est l'expression analytique de la fonction représentée?

f(x)=log4xf\left(x\right)=\log_4x

f(x)=log14xf\left(x\right)=\log_{\frac{1}{4}}x

f(x)=4xf\left(x\right)=4^x

f(x)=(14)xf\left(x\right)=\left(\frac{1}{4}\right)^x

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Quelle est l'expression analytique de la fonction représentée?

f(x)=(12)xf\left(x\right)=\left(\frac{1}{2}\right)^x

f(x)=log12xf\left(x\right)=\log_{\frac{1}{2}}x

f(x)=(13)xf\left(x\right)=\left(\frac{1}{3}\right)^x

f(x)=log13xf\left(x\right)=\log_{\frac{1}{3}}x

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

y - 3x

y + 3x

3x - y

3x - 2y

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

x = 2

x = 4

x = 10/7

x = 20/7

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