
Промежутки возрастания и убывания
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Ислам Имансалык
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите промежутки возрастания функции f(x) = x^2 - 3x + 2
The function is increasing for x < 3/2
The function is increasing for x > 2
The function is increasing for x < 1
The function f(x) = x^2 - 3x + 2 is increasing for x > 3/2.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Определите промежутки убывания функции g(x) = -2x^3 + 6x^2 - 4x
(-∞, 1 - sqrt(7)/3) and (1 + sqrt(7)/3, ∞)
(-∞, 1 - sqrt(7)/3) and (1 + sqrt(7)/3, 0)
(-∞, 1 - sqrt(7)/3) and (1 + sqrt(7)/3, ∞)
(-∞, 1 - sqrt(7)/3) and (1 + sqrt(7)/3, 1)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите все значения x, при которых функция h(x) = 4x^3 - 12x^2 + 8x возрастает
x < -1 or x > 4
x < 1 or x > 2
x < 2 or x > 3
x < 0 or x > 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите все значения x, при которых функция k(x) = -3x^2 + 6x - 2 убывает
x < 1
x = 0
x = 1
x > 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дана функция l(x) = x^3 - 6x^2 + 9x. Определите промежутки возрастания и убывания этой функции
l(x) is increasing on (1, 3) and decreasing on (-∞, 1) and (3, +∞)
l(x) is increasing on (-∞, 1) and decreasing on (1, 3) and (3, +∞)
l(x) is increasing on (1, 3) and decreasing on (-∞, 1) and (3, +∞)
l(x) is increasing on (-∞, 1) and (3, +∞), and decreasing on (1, 3)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решите неравенство x^2 - 4x > 0 и найдите промежутки, где данное неравенство выполняется
x < 0 or x > 4
x = 0 or x > 4
x > 0 or x < 4
x < 0 or x = 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решите неравенство -2x^2 + 8x < 0 и найдите промежутки, где данное неравенство выполняется
x∈(0,4)
x∈(4,8)
x∈(-∞,0)
x∈(2,6)
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