Cho hàm số  thỏa mãn  và  với mọi . Giá trị của  bằng

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A,B,C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.  

  The kidnapper gave himself up to the authorities.         

• Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

  A wedding is a meaningful event.         

• Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

  She was a devoted teacher. She spent most of her time teaching and taking care of her students.         

• Mark the letter A, B, C or D to indicate tho word/phrases SIMILAR in moaning to the underlined word(s) in each of the following questions:

  Chimpanzees are frequently used as stand-ins for human beings in experiments.         

• Mark the letter A, B, C or D to indicate tho word/phrases SIMILAR in moaning to the underlined word(s) in each of the following questions:

  The cake was heavenly so I asked for more.  

• Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

  If people’s interference with the environment decreases, more species will survive and produce offspring.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

  Animals on earth fascinate us with their beauty, their grace and their speed.         

• Mark the letter A, B, C or D to indicate the correct answer to each of the following questions:

  Laura is about _______ me.         

• Mark the letter A, B, C or D to indicate the word(s) SIMILAR in meaning to the underlined word(s) in each of the following questions:

  Early poverty has taught Sam to stand on his own feet.         

• Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

  During the earthquake, a lot of buildings collapsed, which killed thousands of people.