Предмет: Алгебра, автор: saeraiusupova808

3.Найдите область определения функции, заданной формулой: a) y = 4x-6 b) y = 25 ​

Ответы

Автор ответа: alzxcwrk
1

Ответ:

а) D(y) = (-∞;+∞)

b) Имеем постоянное значение х = 0

Объяснение:

a) Можем подставить любое значение х, соответственно

D(y) = (-∞;+∞)

b) У нас постоянная функция, где x = 0, b = 25

Имеем постоянное значение х = 0

saeraiusupova808: спасибооооо больше
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Информатика, автор: i56524833
ДАМ МНОГО БАЛЛОВ!!
ОЧЕНЬ СРОЧНО, помогите пожалуйста Задание на фото!!​
2 года назад
Предмет: Алгебра, автор: saprikinauliana10
Побудуйте графік функції і знайдіть точки перетену з осями координат y=3x+6
2 года назад
Предмет: Другие предметы, автор: kononcenkosofia
Розгадайте ребус пжжжж

Не пойму чтотща первое слово пробивала много разних слов но не пойму

2 года назад
Предмет: Українська література, автор: dvika7356
У романі "Чорна рада" П. Куліша відтворено події
А) Коліївщини
Б) доби Руїни
В)боротьба під проводом Хмельницького
Г) часів кріпацтва
Д) пореформеної доби
7 лет назад
Предмет: Английский язык, автор: kanatkyzyaltynai83
1.Put the articles where necessary: The map is on … shelf.
A) an
B) –
C) the
D) a
E) at
2.Find the plural forms of these nouns.
A) child
B) woman
C) Negro
D) tooth
E) fish
3.Find the antonym for “indifference”
A) comfort
B) efficiency
C) difference
D) substance
E) convenient
4.Find the synonym for “to wait”
A) expect
B) extend
C) excuse
D) hurry
E) expand
5. Make questions with these words. Use is or are
A) Is your mother at home
B) Home at your mother
C) At home your mother
D) Are yo1ur mother at home
E) Your mother at home
6. Put the articles where necessary: Give me … chair please.
A) –
B) a
C) the
D) an
E) it
7. Put the articles where necessary: Mr. Smith is … artist Mrs. Smith is … poetess.
A) a / a
B) the / an
C) an / -
D) an/a
E) the / a
8. Give the plural of the following noun: “a swine”
A) swins
B) swine
C) swines
D) swinese
E) swinse
9. Moscow is … city in Russia.
A) the larger
B) larger
C) the large
D) large
E) the largest
10. Give the English equivalents: «Я знаю интересную историю»
A) I know an interesting story
B) I known an interesting story
C) He know interesting story
D) I knew interesting story
E) She knows an interesting story.
11. Choose the right answer in possessive case: The car of my parents.
A) my parents car
B) my parents’ car
C) the car’s my parents
D) my parent’s car
E) my parents’s car
12. March is the … month of the year.
A) first
B) one of
C) one
D) second
E) third
13. Where is the residence of the Queen?
A) Kensington Gardens
B) Buckingham Palace
C) St. James’s Park
D) Trafalgar
E) Edinburgh
14. Who discovered America ?
A) America Vespucci
B) The pilgrims
C) Christopher Columbus
D) George Washington
E) David Livingstone
15. Choose the antonym: “Right”
A) correct
B) complete
C) full
D) wrong
E) exactly
16.Translate the word “қуану - радоваться”
A) to be glad
B) to be met
C) to be nice
D) to be good
E) to be angry
17. Complete the sentence: It … a table.
A) Did
B) Are
C) Does
D) Will
E) Is
18. My birthday is …. the ninth of July.
A) at
B) оn
C) by
D) to
E) in
19. Complete the questions.----------the bus stop?
A) How are
B) Who is
C) Where is
D) What is
E) Who are
20. Choose the right questions. I am a teacher
A) How old are you?
B) Who are you?
C) Where are you come from?
D) What are you?
E) What`s your name?
21. Put the verb to be. We ------in class.
A) isn`t
B) is
C) am
D) was
E) are
22. My teacher`s name -------- John.
A) is
B) am
C) are
D) aren`t
E) were
23. Write the plural of the following noun: “hero”
A) heres
B) heros
C) hero
D) heroe
E) heroes
24. Write the plural of the following noun: “custom – house
A) custom – house
B) customes – house
C) custom – houses
D) customs – house
E) customs – houses
25.Complete the right variant:When I write I always use …pen.
A) the
B) a
C) an
D) that
E) this
26. Complete the right variant: He has sent me … magazines from London.
A) much
B) a few
C) any
D) no
E) some
27. Choose the right variant: Where is … key?
A) the
B) that
C) an
D) –
E) a
28. Find the right variant: I don't think it will make her … her mind
A) Changing
B) to change
C) change
D) changed
E) changes
29. Choose the right variant: 07:35
A) It’s twenty five minutes past seven.a.m.
B) It’s twenty five minutes to eight.p.m.
C) It’s thirty five minutes to eight.a.m.
D) It’s thirty five minutes to eight.p.m.
E) It’s twenty five minutes to eight.a.m.
30.Give the plural of the following noun: “wolf
A) wolves
B) wolfes
C) wolf
D) wolfs
E) wolfse
Помогите пожалуйста ✅​
7 лет назад