Предмет: Алгебра, автор: ztl6000

Вычислите
А) Lim(5-3x-x^2)
X->-1
Б)Lim(x^2-4x)/x^2-16
X->4

Ответы

Автор ответа: MizoriesKun
4

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Ex. 1 Read the situations and complete the sentences using future tenses
(Пример) 1. The phone rings and you answer. Somebody wants to speak to Jim.

Caller: Hello. Can I speak to Jim, please?

You: Just a moment. (I’ll get) him.


2. It’s a nice day, so you have decided to take a walk. Just before you go, you tell your friend.

You: The weather’s too nice to stay in. __________________ (I/take) a walk.

Friend: Good idea. I think ______________________ (I/join) you.

3. There was job advertised in the paper recently. At first you were interested, but then you decided not to apply.

Friend: Have you decided what to do about that job you were interested in?

You: Yes, _________________________ (I/not /apply) for it.

4. You have made all your holiday arrangements. Your destination is Jamaica.

Friend: Have you decided where to go for your holiday yet?

You: _______________ (I/go) to Jamaica.

5. You have made an appointment with the dentist for Friday morning.

Friend: Shall we meet on Friday morning?

You: I can’t on Friday. ___________________ (I/go) to the dentist.

6. You and some friends are planning a holiday in Britain. You have decided to hire a car, but you haven’t arranged this yet.

Friend: How do you plan to travel round Britain? By train?

You: No, ____________________ (we /hire) a car.

7. Your friend has two young children. She wants to go out tomorrow evening. You offer to look after the children.

Friend: I want to go out tomorrow evening, but I haven’t got a babysitter.

You: That’s no problem. ________________________ (I/look) after them.

8. You have already arranged to have lunch with Sue tomorrow.

Friend: Are you free at lunchtime tomorrow?

You: No, _____________________ (have/lunch) with Sue.

9. You’re in a restaurant. You and your friend are looking at the menu. Maybe your friend has decided what to have. You ask her/him.

You: What ___________________ (you/have)?

Friend: I don’t know. I can’t make up my mind.

10. You and a friend are reading. It’s getting a bit dark and your friend is having trouble reading. You decide to turn on the light.

Friend: It’s getting a bit dark, isn’t it? It’s difficult to read.

You: Yes, ____________________ (I/turn on) the light.

11. You and a friend are reading. It’s getting a bit dark and you decide to turn on the light. You stand up and walk towards the light switch.

Friend: What are you doing?

You: _______________________ (I/turn on) the light.