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Предел функции

Authored by Надежда Василовски

Mathematics

1st - 10th Grade

Used 11+ times

Предел функции
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Как обозначается предел функции?

lim⁡x→2 f(x)\lim_{x\rightarrow2}\ f\left(x\right)  

log⁡xy\log_xy  

predx→y (x)pred_{x\rightarrow y}\ \left(x\right)  

2.

MULTIPLE SELECT QUESTION

45 sec • 4 pts

Выберите обозначение предела слева (все возможные варианты)

lл(x0)l_л\left(x_0\right)  

f(x0+0)f\left(x_0+0\right)  

lп(x0)l_п\left(x_0\right)  

f(x0−0)f\left(x_0-0\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Какое условие должно выполняться, чтобы функция имела предел в точке x0x_0  ?

f(x0−0)≠f(x0+0)f\left(x_0-0\right)\ne f\left(x_0+0\right)  

f(x0−0)>f(x0+0)f\left(x_0-0\right)>f\left(x_0+0\right)

f(x0−0)=f(x0+0)f\left(x_0-0\right)=f\left(x_0+0\right)

f(x0−0)<f(x0+0)f\left(x_0-0\right)<f\left(x_0+0\right)

4.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Выберите первый замечательные предел

lim⁡x→0 sin⁡xx=1\lim_{x\rightarrow0}\ \frac{\sin x}{x}=1  

lim⁡x→∞ log⁡5xx=1\lim_{x\rightarrow\infty}\ \frac{\log_5x}{x}=1  

lim⁡x→∞(1+1x)x=e\lim_{x\rightarrow\infty}\left(1+\frac{1}{x}\right)^x=e  

lim⁡x→0 ln⁡(1+x)x=1\lim_{x\rightarrow0}\ \frac{\ln\left(1+x\right)}{x}=1  

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Вычислите: lim⁡x→1 (x+9)\lim_{x\rightarrow1}\ \left(x+9\right)  

10

-10

0

∞\infty  

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Вычислите: lim⁡x→0 sin⁡(3x)x=\lim_{x\rightarrow0}\ \frac{\sin\left(3x\right)}{x}=  

3

13\frac{1}{3}  

0

∞\infty  

7.

MULTIPLE CHOICE QUESTION

30 sec • 6 pts

Вычислите: lim⁡x→∞ 6x2−3x+63x2+7\lim_{x\rightarrow\infty}\ \frac{6x^2-3x+6}{3x^2+7}  

2

12\frac{1}{2}  

0

∞\infty  

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