Функции в1

Функции в1

9th Grade

5 Qs

quiz-placeholder

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Функции в1

Функции в1

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Ирина Марковец

Used 6+ times

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

А

Б

В

Г

2.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Найдите значение аргумента, при котором значение функции h(x)=5x+2 равно -2.

10

8

0,8

-0,8

3.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

Media Image

Для функции y=f(x) найдите:

а) нули функции;

б) промежутки, в которых функция принимает положительные значения;

в) промежутки возрастания.

а) -1; 1; 3

б) [-3;-1); (-1;1); (3;4]

в) [-3;-1]; [0;2]

а) -3; -2; 4

б) [-3;4]

в) (-3;-1); (0;2)

а) -1; 1; 3

б) [-3;0]; [0;4]

в) [-3;-1]; [-2;2]

а) -3;-1; 1; 3

б) (-3;-1); (0;1) ; (0; 4)

в) (-3;-1); (0;2)

4.

MULTIPLE CHOICE QUESTION

1 min • 8 pts

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Найдите промежутки знакопостоянства функции

q(x)>0 при x€4

q(x)<0 при х€ (0;4)

q(x)>0 при x€(0;4)

q(x)>0 при x €(-oo;4); (4; +oo)

q(x)>0 при х€R

5.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Media Image

Найдите область определения функции

(-3;3)

(-5;3)

[-5;3); (-3;3)

[-5;3]; [-3;3]

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