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Промежутки возрастания и убывания

Authored by Ислам Имансалык

Mathematics

10th Grade

Used 2+ times

Промежутки возрастания и убывания
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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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