Tập xác định của hàm số  có dạng . Tìm  

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Một số câu hỏi khác có thể bạn quan tâm.

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

  honest                 holiday                 home                   happiness

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

  character              teacher                 chemist               technical

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

  interview                minute                   question                suitable

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

  explained              disappointed               prepared                 interviewed

• Choose one sentence that has the closest meaning to the root one:

  Those who are riding a motorbike are not allowed to take off their helmet.
  
  

• Choose one sentence that has the closest meaning to the root one:

  John, whose cough is terrible, needs to see a doctor.
  
  

• Choose one sentence that has the closest meaning to the root one:

  The last time when I saw her was three years ago.  

• Choose one sentence that has the closest meaning to the root one:

  It is the earth’s gravity that gives us our weight.
  
  

• Choose one sentence that has the closest meaning to the root one:

  It was your assistance that enabled us to get achievement.
  
  

• Choose a word that has different stress pattern:

  technical                 advertise                 candidate                consider