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Integrale

Authored by MIHAELA DOBARCEANU

Mathematics

12th Grade

CCSS covered

Used 24+ times

Integrale
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12 questions

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1.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

O funcţie definită pe R admite:

O primitivă

O infinitate de primitive

Două primitive

Nicio primitivă

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Funcţia

 F(x)=x332F\left(x\right)=\frac{x^3}{3}-2  este primitivă a funcţiei:

 f(x)=x22f\left(x\right)=x^2-2  

 f(x)=x32xf\left(x\right)=x^3-2x  

 f(x)=x2f\left(x\right)=x^2  

 f(x)=x23f\left(x\right)=\frac{x^2}{3}  

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 3dx\int3dx  este egală cu:

 3x3+C3x^3+C  

 3x2+C3x^2+C  

 3x+C3x+C  

 3+C3+C  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 Fie  f(x)=x7Fie\ \ f\left(x\right)=x-7  

O primitivă a funcţiei  f(x)f\left(x\right)  este funcția  F(x)F\left(x\right)  definită astfel:

 F(x)=2x+CF\left(x\right)=2x+C  

 F(x)=x227F\left(x\right)=\frac{x^2}{2}-7  

 x227x+C\frac{x^2}{2}-7x+C  

 F(x)=x27x+7F\left(x\right)=x^2-7x+7  

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 4cosx dx \int4\cos x\ dx\   = ...

 4sinx+c-4\sin x+c  

 4sinx+C4\sin x+C  

 4cosx+C-4\cos x+C  

 sinx+C\sin x+C  

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 5xdx este  egala˘ cu:\int5^xdx\ este\ \ egală\ cu:  

 x5ln5+C\frac{x^5}{\ln5}+C  

 5x+16+C\frac{5^{x+1}}{6}+C  

 5xln5+C\frac{5^x}{\ln5}+C  

 5xlnx+C\frac{5^x}{\ln x}+C  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 4x3+6x2+10 =...\int_{ }^{ }4x^3+6x^2+10\ =...  

 x4+3x3+10 +Cx^4+3x_{ }^3+10\ +C  

 x4+2x3+10x +Cx^4+2x^3+10x\ +C  

 12x3+12x2+10 +C12x^3+12x^2+10\ +C  

 14x4+2x3+10+C\frac{1}{4}x^4+2x^{3^{ }}+10+C  

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