Dérivées 3

Dérivées 3

1st Grade

15 Qs

quiz-placeholder

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Dérivées 3

Dérivées 3

Assessment

Quiz

Mathematics

1st Grade

Hard

Created by

Sophie Verstraeten

Used 4+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 Soit f(x) = (3x²)²Soit\ f\left(x\right)\ =\ \left(3x²\right)²  

Que vaut f '(x)? 

36x³

2.3x²

9.4x³

2.3x

3.3x³

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 Soit f(x) = (x+1)³Soit\ f\left(x\right)\ =\ \left(x+1\right)³  

Que vaut f '(x)? 

3.(x+1)

3.(x+1)²

3.(x+1)².(x+1)

x+1

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 Soit f(x) = sin(3x+1)Soit\ f\left(x\right)\ =\ \sin\left(3x+1\right)  

Que vaut f '(x)? 

cos(3x+1)

-cos(3x+1)

sin(3x+1)

(3x+1).cos(3x+1)

3.cos(3x+1)

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 Soit f(x) = tan(3x²)Soit\ f\left(x\right)\ =\ \tan\left(-3x²\right)  

Que vaut f '(x)? 

 1cos(3x²)\frac{1}{\cos\left(-3x²\right)}  

 1cos²(3x²)\frac{1}{\cos²\left(-3x²\right)}  

 3x²cos²(3x²)\frac{-3x²}{\cos²\left(-3x²\right)}  

 6xcos²(3x²)\frac{-6x}{\cos²\left(-3x²\right)}  

-6x. (1 + tan²(-3x²))

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 Soit f(x) = x.e2xSoit\ f\left(x\right)\ =\ x.e^{2x}  

Que vaut f '(x)? 

 e2xe^{2x}  

 2. e2x2.\ e^{2x}   

 e2x+e2x.xe^{2x}+e^{2x}.x  

 e2x+2x.e2xe^{2x}+2x.e^{2x}  

 e2x.(1+x)e^{2x}.\left(1+x\right)  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 Si  f(x) = sinx . exSi\ \ f\left(x\right)\ =\ \sin x\ .\ e^x  

Que vaut f '(x)? 

 cosx . ex\cos x\ .\ e^x  

 cosx . ex + sinx. ex\cos x\ .\ e^{x\ }+\ \sin x.\ e^x  

 cosx . ex sinx . ex\cos x\ .\ e^x\ -\sin x\ .\ e^x  

 ex.(cosx +sinx)e^x.\left(\cos x\ +\sin x\right)  

 ex.(sinx  cosx)e^x.\left(\sin x\ -\ \cos x\right)  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 Si  f(x) = logxSi\ \ f\left(x\right)\ =\ \log x  

Que vaut f '(x)? 

ln10 .x

 ln10x\frac{\ln10}{x}  

 1ln10 . x\frac{1}{\ln10\ .\ x}  

 1x\frac{1}{x}  

 xln10\frac{x}{\ln10}  

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