1) lim tg(3-x) / 2+x

x->2

 

 2) lim x2-2x-9 / x3+1 

x->-1

 

 

 

 

 

 

 

 

варианты ответов:

9

1/3

1

1/9

3

помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

H2C=C-HC=C-CH3

           |            |

       CH3     CH3

название, предыдущий гомолог, последующий гомолог

№1

Many?Much?A lot of?Lots of?

Uce the correct word.

1)They could not afford to play football every day.It took____time.

2)"You may take as____books as you like",the librarian said.

3)Growing children need____food,sleep and exercise.

4)Everyone should eat_____vegetables and fruit,especially in spring and summer when they are fresh.

5)I had_____time to think over what I was going to do.

6)You`ve made too_____mistakes in the test.

№2

Few?A few?Little?A little?

Choose the correct word.

1)I have(little/a little)money,not much,but enough.

2)I`m going shopping-I`d like to buy(few/a few)things.

3)I`d like to ask you(few/a few)questions.

4)The girl will be ready in(few/a few)minutes.

5)Very(few/a few)compositions are really very good.

6)The climate is so severe in this part of the country that very(few/a few)people would like to live there.