Số điểm cực trị của đồ thị hàm số $y=-x^4-1$ là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose one sentence that has the same meaning as the root one:

  Although she is rich, she can t afford to buy the car.
  
  

• Choose one sentence that has the same meaning as the root one:

  Unless you have a driving licence, you aren’t allowed to ride a motorbike.
  
  

• Choose the word that has the underlined part pronounced differently from the rest:

  lucky                        sky                          busy                      healthy

• Choose the word that has the underlined part pronounced differently from the rest:

  check                     touch                      kitchen                     technology

• Choose a word that has different stress pattern:

  machine                       believe                         advise                     image

• Choose the word that has the underlined part pronounced differently from the rest:

  mine                     machine                    line                   combine

• Choose the word that has the underlined part pronounced differently from the rest:

  brushed                    dressed                       prepared                  stopped

• Choose the word that has the underlined part pronounced differently from the rest:

  through                        trouble                        enough                         double

• Choose the word that has the underlined part pronounced differently from the rest:

  suit                        campsite                        contain                       essential

• Find a mistake in the four underlined parts of the sentence and correct it:

  I'm going to the airport to meet my old friend, that comes to stay with me for a week.