Cho hàm số y=fx có đồ thị là đường cong trong hình vẽ bên. Hàm số fx đạt cực đại tại điểm nào sau đây?

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  We found the exam extremely easy. We _______________ so hard.
   

• Choose the best answer for the following sentence:

  The picnic _______________ because Peter has just had a traffic accident.
   

• Choose the best answer for the following sentence:

  It is important ______________ students to read as many books as possible.
   

• Choose the best answer for the following sentence:

  Who does the book belong ______________?
   

• Choose the best answer for the following sentence:

  Read the book ____________ and you can find the information you need.
   

• Choose the best answer for the following sentence:

  Not many people find reading more _______________ than watching TV.
   

• Choose the best answer for the following sentence:

  To become a novelist, you need to be _______________.
   

• Choose the best answer for the following sentence:

  A ______________ is a story long enough to fill a complete book, in which the characters and events are usually imaginary.
   

• Choose the best answer for the following sentence:

  A ____________ is the story of a person’s life written by somebody else.
   

• Choose the best answer for the following sentence:

  When a reader reads an interesting book slowly and carefully, he _____________ it.