Предмет: Алгебра, автор: vurdalak123

Найдите производные следующих функций:
а) y=x-8
б)y=x^2-x
в)y=x^2 +x-5
г)y=80-x

Ответы

Автор ответа: sirca
2
а)у'=1
б)у'=2х-1
в)у'=2х+1
г)у'=-1
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Test 1
A. Replace with the pronouns.
1. My uncle is a carpenter.
a) She b) I c) He d) His
2. His daughter is a musician.
a) She b) He c) Hers d) It
3. Their aunt is a manager.
a) He b) She c) They d) Her
4. Our parents are physicians.
a) He b) We c) They d) Our
5. My grandfather and grandmother are pensioners.
a) My b) They c) She d) He
B. Choose the suitable forms of the verbs.
1. His uncle (to be) a fitter.
a) are b) is c) am d) to be
2. My aunt (to have) those books.
a) have b) to have c) has
3. I (to be) his cousin.
a) is b) are c) am d) to be
4. Their friends (to be) students.
a) is b) are c) to be d) am
5. His son (to have) this article.
a) has b) have c) to have
C. Choose the correct forms of the plural.
1. Their friend is a dentist.
a) Their friends were dentists.
b) Their friends are dentists.
c) Their friend was a dentist.
d) Their friends is dentists.
2. That was an article.
a) That was articles.
b) Those was articles.
c) Those were articles.
d) These were articles.
3. This is a clip.
a) Those were clips.
b) Those are clips.
c) These are clips.
d) This are clips.
4. He was a teacher.
a) They were teachers.
b) They are teachers.
c) We are teachers.
d) You are teachers.
5. Your daughter is a pupil.
a) Their daughter is a pupil.
b) Your daughters are pupils.
c) Your daughters are a pupil.
d) Their daughters are pupil.
D. Choose the suitable pronouns.
1. My friends have … discs.
a) this b) theirs c) these d) me
2. … were students.
a) We b) I c) This d) That
3. This is my notebook, and that is … .
a) hers b) your c) you d) me
4. … grandparents are pensioners.
a) Me b) Mine c) My d) Hers
5. … are my pencils.
a) That b) These c) This d) We
E. Choose the suitable translation of the sentences.
1. У них есть мои кассеты.
a) They had my cassettes.
b) They have mine cassettes.
c) They have my cassettes.
d) They has my cassettes.
2. Мойдядябылмузыкантом.
a) My uncle is a musician.
b) My aunt was a musician.
c) My uncle was a musician.
d) My uncle were a musician.
3. Еебрат — бизнесмен.
a) Her brother is a businessman.
b) Her brother was a businessman.
c) His brother is a businessman.
d) His brother was a businessman.
4. У меня был их диск.
a) I had their disc.
b) I have their disc.
c) I has their disc.
d) I had this disc.
5. У него есть эта статья.
a) She has that article.
b) He has this article.
c) She has this article.
d) He has that article.
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