Функции, их свойства и графики
Authored by Olesja Sinko
Mathematics
10th - 12th Grade
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите область определения функции:
(3; 4]
(-∞; -3) U (3; 4) U (4; +∞)
(-∞; -4) U (-4; -3) U
(-3; 4) U (4; +∞)
(-∞; -3) U (3; +∞)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите область значений функции у = х2 + 4х – 21
(- ∞; + ∞)
(-7; 3)
[- 2; + ∞)
[0; + ∞)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите точки пересечения графика функции у = 2х2 – 5х + 2 с осями координат
(0; 2), (2; 0), (0,5; 0)
(0; 2), (-2; 0), (0,5; 1)
(0; - 2), (2; 0), (0,5; 0)
(0; 2), (2; 0), (0; 1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите, какие из данных функций являются чётными:
у = 3х3 – 5х2
у = 7х2 + ǀхǀ
у = х-2 + 1
у = 10х10 – х
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите наименьший период функции
3π
4/3 π
2/3 π
4π
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите промежуток убывания функции у = х3 – 6х2 + 9
(0; 4)
(- ∞; 0)
(4; + ∞)
(- ∞; 4)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите значения х, при которых график функции у = х2 – 7х – 18 лежит ниже оси х
(-2; 9)
(-∞; -2)
(-2; 0)
(9; +∞)
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