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logarithme décimal et fonction exponentielle

Authored by Céline Seguier

Mathematics

11th - 12th Grade

Used 1+ times

logarithme décimal et fonction exponentielle
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Quelles sont les fonctions exponentielles parmi les fonctions suivantes ?

f(x) = x

f(x) = x2

f(x) = 10x

f(x) = log(x)

f(x) = 2x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle est la forme de l'expression d'une fonction exponentielle ?

f(x) = qx

f(x) = 10x

f(x) = 10 + x

f(x) = x2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle est l'expression d'une fonction exponentielle de base 7 ?

f(x) = 7x

f(x) = log(7x)

f(x) = 7x

f(x) = x7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quel est le sens de variation de la fonction f(x) = log(x) pour tout x > 0 ?

plat

vertical

croissant

brioche

des croissants

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qui suis-je ?

log(x)

ex

un avion qui s'écrase

log(-x)

e-x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

log(a) + log(b)

log(a) - log(b)

10ab

log(a)/log(b)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

log(2x) est égal à :

2x

I don't know

log(2)

x +log(2)

xlog(2)

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