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Limiti di funzione

Authored by Paolo Galbiati

Mathematics

12th Grade

Used 46+ times

Limiti di funzione
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 limx2 x24x+4x23x+2=\lim_{x\rightarrow2}\ \frac{x^2-4x+4}{x^2-3x+2}=  

0

 12\frac{1}{2}  

 -\infty  

nessuna delle proposte

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 limx1 x24x+4x23x+2=\lim_{x\rightarrow1}\ \frac{x^2-4x+4}{x^2-3x+2}=  

0

 \infty  

nessuna delle proposte

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 limx x24x+4x23x+2=\lim_{x\rightarrow\infty}\ \frac{x^2-4x+4}{x^2-3x+2}=  

0

 \infty  

nessuna delle proposte

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

La funzione

 y=f(x)y=f\left(x\right)  ha un asintoto orizzontale di equazione  y=2y=-2  raggiunto da sotto per x che tende a  ++\infty  . Quali delle seguenti scritture è coerente con tale informazione?

 limx2 f(x)=+\lim_{x\rightarrow-2}\ f\left(x\right)=+\infty  

 limx2f(x)=+\lim_{x\rightarrow-2^-}f\left(x\right)=+\infty  

 limx+ f(x)=2\lim_{x\rightarrow+\infty}\ f\left(x\right)=-2  

 limx+f(x)=2\lim_{x\rightarrow+\infty}f\left(x\right)=-2^-  

 limx f(x)=2\lim_{x\rightarrow\infty}\ f\left(x\right)=-2  

5.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

 limxπ sen xx=\lim_{x\rightarrow\pi}\ \frac{sen\ x}{x}=  

6.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

 limxπ (xπ)sen x1+cos x=\lim_{x\rightarrow\pi}\ \frac{\left(x-\pi\right)sen\ x}{1+\cos\ x}=  

7.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

 limx2 42x2xx2=\lim_{x\rightarrow2}\ \frac{4-2^x}{2x-x^2}=  

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