Hàm số nào sau đây có bảng biến thiên như hình vẽ.   

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  If I ___________ as young as you are, I _____________ in a boat round the world.
   

• Choose the best answer for the following sentence:

  I __________ skiing if there ___________ more snow.
   

• Choose the best answer for the following sentence:

  She __________ tennis if it __________ not so hot.
   

• Choose the best answer for the following sentence:

  If I __________ in his shoes, I ____________ the Browns.
  

• Choose the best answer for the following sentence:

  Where  __________ if you ___________ on leave?
   

• Choose the best answer for the following sentence:

  She __________ this mistake if she __________ more attentive.
   

• Choose the best answer for the following sentence:

  If I ___________ of his arrival, I __________ him

   

• Choose the best answer for the following sentence:

  If you _________ salt on ice, it _________.
   

• Choose the best answer for the following sentence:

  Unless he ___________ his homework, he ___________ at home.
   

• Choose the best answer for the following sentence:

  Providing that we __________ early, we ____________ the place of destination in time.