Cho hàm số thỏa mãn hệ thức . Hỏi là hàm số nào trong các hàm số sau:

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  Edward depends __________ his family for financial support.
   

• Choose the best answer for the following sentence:

  Ann looked ____________ the mirror and admired her new blouse.
   

• Choose the best answer for the following sentence:

  The new manager’s name is familiar __________ most of us.

• Choose the best answer for the following sentence:

  Those books deal mainly _________ tropical plants.
   

• Choose the best answer for the following sentence:

  Water consists __________ oxygen and hydrogen.
   

• Choose the best answer for the following sentence:

  There is an increasing demand __________ taller building in big cities.
  
  

• Choose the best answer for the following sentence:

  Is the United States the wealthiest country __________ the world?
   

• Choose the best answer for the following sentence:

  The vicar passed __________ yesterday. No flowers by request.
  

• Choose the best answer for the following sentence:

  I'll call you ________ about five o’clock. I need your help.
   

• Choose the best answer for the following sentence:

  We like to read that novel ____________ Jack London.