Tất cả các giá trị của tham số  để hàm số  đồng biến trên R 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:

  You look pale. Why don’t you see a doctor, Mary?” Billy said.

   

• Choose the correct sentence which is built from the words and phrases given:

  I / invite / you / my birthday party / my house / 6 pm

• Choose the correct sentence which is built from the words and phrases given:

  I / invite / some of our former classmates / we / not see / our graduation

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

  Can you show me the camera over there, please?
  
  

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

  The man was shot in the bank robbery. The doctors are operating on him.
  
  

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

  I am interested in the books. The books were written by Jack London.
  
  

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

   excuse                  socialc                  carry               culture

• Choose the best answer for the following sentence:

   We have to buy more food in _______________ for some unexpected guests.

   

• Choose the best answer for the following sentence:

   He’s always been very ________________ to me.

   

• Choose the best answer for the following sentence:

   Attending parties is one of the good chances to _______________ with other people.