user-avatar
logahuong2019
2 năm trước
biết lim x đến 3 $\frac{-x ^ 2 + 3x }{x - 3 }$ = a -1 . Khi đó , kết quả nào đúng về giá trị của a ? A. a= -4 B. a = 0 C.a = 2 D. a = -2 Help me !
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I. Complete the conversations. Use “have” or “get something done” and the words in brackets. 1. A: What shall we do to celebrate our anniversary? B: Why don’t we …………………………………………………………? (our photograph / take) 2. A: What happened to Ash? He looks terrible. B: I think he ………………………………………………………… in a fight. (his nose / break) 3. A: How does that feel? B: Wonderful. I love ………………………………………………………… (my shoulders / massage) 4. A: What have you done so far today? B: Well, I’ve managed to …………………………………………………… (the invitations / send out) 5. A: What time is it? B: I don’t know. My watch is broken and I ………………………………………………………… yet. (it / not repair) 6. A: The car isn’t running very well. B: I know. I ………………………………………………………… last week but I didn’t have time. (it / should / service) 7. A: That wasps’ nest is dangerous. You must do something about it. B: I know. I …………………………………………………… as soon as possible. (it / remove)

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team