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Cuestionario

Authored by LEONEL OLIVARES

Mathematics

3rd Grade

Used 3+ times

Cuestionario
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calcule el siguiente LIMITE limx2 x2x24\lim_{x\rightarrow2}\ \frac{x-2}{x^2-4}  

 0\rightarrow0  

 14\rightarrow\frac{1}{4}  

 \rightarrow-\infty  

No existe 

2.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

¿Para que valor de a , se cumple el siguiente limite: limx0(x2+ax+11x)=2\lim_{x\rightarrow0}\left(\frac{\sqrt{x^2+ax+1}-1}{x}\right)=2  ?




(a)  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 limx+(x+12x+3)x2+2x3\lim_{x\rightarrow+\infty}\left(\frac{x+1}{2x+3}\right)^{\frac{x^2+2}{x-3}}  =

 0\rightarrow0  

 e\rightarrow e  

 +\rightarrow+\infty  

Ninguna de las anteriores

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 limx+0(1+x)1x2\lim_{x\rightarrow+0}\left(1+x\right)^{\frac{1}{x^2}}  =

 e\rightarrow e  

 +\rightarrow+\infty  

 00  

Ninguna de las anteriores

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt


El limite de f(x) tendiendo a x =1 es :
 f(x)=x13x3 , si x>1f\left(x\right)=\frac{\sqrt{x}-1}{3x-3}\ ,\ si\ x>1 
 f(x)=x2x4x4 , si x<1f\left(x\right)=\frac{x^2-x}{4x-4}\ ,\ si\ x<1   



Existe

No existe

Talvez

Ay, nose . Me aprueba ? (?)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El dominio de  f(x)=x2x+2f\left(x\right)=\frac{\sqrt{x-2}}{\sqrt{x+2}}  es :

 [2;+)\left[2;+\infty\right)  

 [2;+)\left[-2;+\infty\right)  

 (;2]\left(-\infty;-2\right]  

Ninguna de las anteriores

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El limite limx0(xx)\lim_{x\rightarrow0}\left(\frac{\left|x\right|}{x}\right) es :  

 1\rightarrow1  

 1\rightarrow-1  

 0\rightarrow0  

No existe 

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