funcții derivate

funcții derivate

11th Grade

10 Qs

quiz-placeholder

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funcții derivate

funcții derivate

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

Oana Tiglea

Used 52+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

derivata funcției  f(x)=exeste:f\left(x\right)=e^{\sqrt{x}}este:  

 exe^{\sqrt{x}}  

 exx\frac{e^{\sqrt{x}}}{\sqrt{x}}  

 ex2x\frac{e^{\sqrt{x}}}{2\sqrt{x}}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Derivata funcției f(x)= xln(x+2)x\ln\left(x+2\right)  este

 ln(x+2)x+2\frac{\ln\left(x+2\right)}{x+2}  

 xx+2\frac{x}{x+2}  

 ln(x+2)+xx+2\ln\left(x+2\right)+\frac{x}{x+2}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dacă  f(x)=cos2xf\left(x\right)=\cos2x  atunci  f(π2)f'\left(\frac{\pi}{2}\right)  este

0

1

-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 f(x)=arccosxf\left(x\right)=\arccos\left|x\right|  ,  x[1,1]x\in\left[-1,1\right]  atunci domeniul de derivabilitate este:

(-1,1)

[-1,1]

 (π2,π2)\left(\frac{-\pi}{2},\frac{\pi}{2}\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Derivata funcției  f(x)=1lnxf\left(x\right)=\sqrt{1-\ln x}  este

 121lnx\frac{1}{2\sqrt{1-\ln x}}  

 lnx21lnx\frac{\ln x}{2\sqrt{1-\ln x}}  

 12x1lnx\frac{-1}{2x\sqrt{1-\ln x}}  

 121lnx\frac{-1}{2\sqrt{1-\ln x}}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este derivata funcției  f(x)=(x2+1)3f\left(x\right)=^{\left(x^2+1\right)^3}  

 6x(x2+1)26x\left(x^2+1\right)^2  

 2x(x2+1)2x\left(x^2+1\right)  

 6(x2+1)6\left(x^2+1\right)  

 3x(x2+1)23x\left(x^2+1\right)^2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soluțiile ecuației  f(x)=0f'\left(x\right)=0  , f(x)=3x33x2f'\left(x\right)=3_{ }^{x^3-3x^2}  sunt:

x=0

x=3

 x1=0,x2=2x_{1_{ }}=0,x_2=-2  

 x1=0,x2=2x_1=0,x_2=2  

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