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Automatismes stmg 21 mars

Authored by Léana Amraoui

Mathematics

12th Grade

Used 4+ times

Automatismes stmg 21 mars
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quel est le bon tableau de signes ?

Media Image
Media Image
Media Image
Media Image

2.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 Donner la dérivée de la fonction f définie sur R par f(x)=4x3+2x2+5f\left(x\right)=-4x^3+2x^2+5 



(a)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Résoudre f(x)2f\left(x\right)\le2  


 [5;2]\left[-5;2\right]  

 [4;2]\left[-4;-2\right]  

 [5;4][2;3]\left[-5;-4\right]\cup\left[-2;3\right]  

 [5;4[]2;3]\left[-5;-4\left[\cup\right]-2;3\right]  

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Résoudre x2=25x^2=25  

5

-12.5

12.5

-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A quel taux d'évolution en % correspond une baisse de 5% suivie d'une hausse de 2% ?

-3%

(0.95×1.021)×100\left(0.95\times1.02-1\right)\times100

0.95×1.02 ×1000.95\times1.02\ \times100

(0.95+1.02)×100\left(0.95+1.02\right)\times100

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