Cho các hàm số ,   và . Trong các hàm số đã cho, có tất cả bao nhiêu hàm số không có khoảng nghịch biến?        

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  The pilot __________ land the plane on only one engine.
   

• Choose the best answer for the following sentence:

  __________ you tell me if this bus goes to Heathrow Airport?
   

• Choose the best answer for the following sentence:

  Excuse me, _________ I borrow your newspaper if you are not reading it?
   

• Choose the best answer for the following sentence:

  In the Middle East you __________ take care not to admire anything in your hosts’ home. They will feel that they have to give it to you.
   

• Choose the best answer for the following sentence:

  You __________ move this man; he is too ill. You’ll have to leave him here.
  
  

• Choose the best answer for the following sentence:

  Andy and Jane are arguing; I _________ hear them from my room.
    

• Choose the best answer for the following sentence:

  Jenny ____________ go to Egypt this month.
   

• Choose the best answer for the following sentence:

  It is early spring now. Everybody ___________ eat more fruits and vegetables.
   

• Choose the best answer for the following sentence:

  This baby ________ walk in a few weeks.
   

• Choose the best answer for the following sentence:

  Mary _____________ worry because this trip isn’t risky at all.