Cho hàm số có bảng biến thiên như hình vẽ

Đồ thị hàm số có điểm cực trị khi và chỉ khi

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A, Β, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  A washing machine of this type will certainly _______ normal domestic use.         

• Điều kiện để hàm số   có 3 điểm cực trị là:  

• Mark the letter A, Β, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  Half of the children were away from school last week because of _______ of influenza.         

• Mark the letter A, Β, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  It's a formal occasion so we'll have to _______ to the nines - no jeans and pullovers this time!         

• Cho hàm số  . Kết luận nào sau đây là đúng?  

• Mark the letter A, Β, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  There seems to be a large _______ between the number of people employed in service industries, and those employed in the primary sectors.         

• Tìm tất cả các giá trị của tham số  để hàm số  đạt cực đại tại .  

• Mark the letter A, Β, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  All students must hand _______ their homework the day after it is assigned.         

• Tìm tất cả các giá trị thực của tham số  để hàm số  chỉ có cực tiểu mà không có cực đại.  

• Mark the letter A, Β, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  I’m not surprised that Tom is ill. He’s been _______ for a long time. It was bound to affect his health sooner or later.