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Repetition - Derivata

Authored by Lars Hanning

Mathematics

12th Grade

Used 3+ times

Repetition - Derivata
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9 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Derivera

 f(x)=2x33+4x2xf\left(x\right)=\frac{2x^3}{3}+4x-2\sqrt{x}  

 f(x)=2x2+41xf'\left(x\right)=2x^2+4-\frac{1}{\sqrt{x}}  

 f(x)=6x2+42x2f'\left(x\right)=6x^2+4-2\sqrt{x^2}  

 f(x)=2x2+4+12xf'\left(x\right)=2x^2+4+\frac{1}{2\sqrt{x}}  

 f(x)=2x2+42xf'\left(x\right)=2x^2+4-\frac{2}{\sqrt{x}}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Derivera

 y=41,25xy=4\cdot1,25^x  

 y=41,25xln1,25y'=4\cdot1,25^x\cdot\ln1,25  

 y=5xln5y'=5^x\cdot\ln5  

 y=1,25xy'=1,25^x  

 y=41,25xy'=4\cdot1,25^x  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bestäm

 dydx\frac{dy}{dx}  om  y=42cosxy=4-2\cos x  

 dydx=2sinx\frac{dy}{dx}=2\sin x  

 dydx=4+2sinx\frac{dy}{dx}=4+2\sin x  

 dydx=2sinx\frac{dy}{dx}=-2\sin x  

 dydx=2cosx\frac{dy}{dx}=2\cos x  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vilken funktion har derivatan f(x)=6e3x+2f'\left(x\right)=6e^{3x}+2 


 f(x)=2e3x+2xf\left(x\right)=2e^{3x}+2x  

 f(x)=2e4x+2xf\left(x\right)=2e^{4x}+2x  

 f(x)=6e1,5x2+2xf\left(x\right)=6e^{1,5x^2}+2x  

 f(x)=6e3x+2xf\left(x\right)=6e^{3x}+2x  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 g(x)=23cosxg\left(x\right)=\frac{2}{3\cos x}  

Ange yttre- och inre funktion till


Yttre:  2z\frac{2}{z}   Inre:  z=3cosxz=3\cos x  

Yttre:  3z3z   Inre:  z=cosxz=\cos x  

Yttre:  cosz\cos z  Inre:  z=13z=\frac{1}{3}  

Yttre:  lnz\ln z  Inre:  z=sinxz=-\sin x  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

I en sammansatt funktion är den yttre funktionen g(z)=z23zg\left(z\right)=z^2-3z  och den inre funktionen är  z(x)=e4xz\left(x\right)=e^{4x}  . Ange den sammansatta funktionen  g(z(x))g\left(z\left(x\right)\right)   


 e8x3e4xe^{8x}-3e^{4x}  

 e4x212xe^{4x^2}-12x  

 x2e4x3xe4xx^2\cdot e^{4x}-3x\cdot e^{4x}  

 8e4x38e^{4x}-3  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bestäm derivatan av f(x)=sinxe2xf\left(x\right)=\sin x\cdot e^{2x}  


 f(x)=cosxe2x+sinx2e2xf'\left(x\right)=\cos x\cdot e^{2x}+\sin x\cdot2e^{2x}  

 f(x)=cosx2e2xf'\left(x\right)=\cos x\cdot2e^{2x}  

 f(x)=sinxe2x2f'\left(x\right)=\sin x\cdot e^{2x}\cdot2  

 f(x)=cosx2e2x+sinxe2xf'\left(x\right)=\cos x\cdot2e^{2x}+\sin x\cdot e^{2x}  

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