# Mathematics, Part 1, the card responses to the test.

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Content: Карточка ответов к тесту Математика 1часть.doc (76,5 kB)

# Description

Question 1. What is called a function?
1. The number;
2. rule that each value of argument x to correspond to one and only one value of y;
3. vector;
4. The matrix;
5. there is no right answer.
Question 2: In which case, you can determine the inverse function?
1. when each element has a unique inverse image;
2. When the function is constant;
3. When the function is not defined;
4. When the function is multi-valued;
5. there is no right answer.
Question 3. What is the function called Limited?
1. reverse;
2. The function f (x) is called bounded if m≤f (x) ≤M;
3. complex;
4. The function f (x) is called bounded if f (x)> 0;
5. The function f (x) is called bounded if f (x) ≤0;
Question 4: What is the point is called a limit point of A?
1. zero;
2. t.h0 called a limit point of A if every neighborhood of x0 contains points of the set A, different from x0;
3. does not belong to the set A;
4. there is no right answer;
5. lying on the boundary of the set.
Item 5. Can be a limit point if sided limits are not equal?
1. yes;
2. Sometimes;
3. No;
4. always;
5. there is no right answer.
Question 1. Is the function of the infinitesimal as x → ∞?
1. yes;
2. No;
3. sometimes;
4. always;
5. there is no right answer.
Question 2. Is the function of an infinitely large as x → ∞?
1. yes;
2. No;
3. sometimes;
4. if x = 0;
5. there is no right answer.
Question 3. Is the function y = sin x is infinitely large as x → ∞?
1. yes;
2. No;
3. sometimes;
4. always;
5. there is no right answer.
Question 4. Is the function y = cos x is infinitely large as x → ∞?
1. yes;
2. No;
3. sometimes;
4. always;
5. there is no right answer.
Question 5. Is the function y = tg x infinite in t. X0 = 0?
1. yes;
2. Sometimes;
3. always;
4. No;
5. there is no right answer.
Activity 3
Question 1. Is the product of an infinitesimal function on a limited function, an infinitesimal function?
1. No;
2. Yes;
3. sometimes;
4. not always;
5. there is no right answer.
Question 2: In which case, infinitesimal α (x) and β (x) is called the infinitesimal of the same order at x0?
1. If they are equal;
2. if;
3. if;
4. if the limits are 0;
5. there is no right answer.
Question 3. How many kinds of basic elementary functions we learned?
15;
2. 1;
thirty;
4. 2;
5. 3.
Question 4: What is the limit of the constants?
10;
2. e;
3. 1;
4. ∞;
5. p.
Question 5. Is the power function continuous for any positive value of the exponent?
1. No;
2. Yes;
3. sometimes;
4 for x> 1;
5. there is no right answer.

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