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GIỚI HẠN CỦA HÀM SỐ (PHẦN 1)

Authored by Trương Trinh

Mathematics

11th Grade

Used 30+ times

GIỚI HẠN CỦA HÀM SỐ (PHẦN 1)
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 limx2(3x2+7x+11)\lim_{x\rightarrow2}\left(3x^2+7x+11\right)  

37

38

39

40

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 limx3x24\lim_{x\rightarrow\sqrt{3}}\left|x^2-4\right|  

0

1

2

3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 limx13x2+1xx1\lim_{x\rightarrow-1}\frac{\sqrt{3x^2+1}-x}{x-1}  

-3/2

1/2

-1/2

3/2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 limx2+x15x2\lim_{x\rightarrow2^+}\frac{x-15}{x-2}  

 -\infty  

 ++\infty  

1

0

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 limx(2)+3x+6x+2\lim_{x\rightarrow\left(-2\right)^+}\frac{\left|3x+6\right|}{x+2}  

-3

3

Không xác định

 ++\infty  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 f(x)=3x2+1;x1f\left(x\right)=\sqrt{3x^2+1};x\ge1  và  f(x)=2x1x ;x<1f\left(x\right)=\frac{2x}{\sqrt{1-x}}\ ;x<1 

 limx1+f(x)=\lim_{x\rightarrow1^+}f\left(x\right)= 

 ++\infty  

2

4

 -\infty  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 f(x)=x2+11x;x<1 f\left(x\right)=\frac{x^2+1}{1-x};x<1\   và

 f(x)=2x2;x1f\left(x\right)=\sqrt{2x-2};x\ge1  
 limx1f(x)=\lim_{x\rightarrow1^-}f\left(x\right)=  

 ++\infty  

 -\infty  

0

1

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