Cho hàm số $y=f\left(x\right)$ có $\underset{x\to +\infty }{\lim }f\left(x\right)=4$ và $\underset{x\to -\infty }{\lim }f\left(x\right)=-4$ . Phát biểu nào sau đây là đúng?

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

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

  Although she’s charming, but there’s something a little odd about her.

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

  Although his extended illness, he managed to complete his doctoral dissertation.

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

  She would love the opportunity despite it seems unlikely at the moment.

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

  Much as though I approve of his enthusiasm, I’m worried he’ll overdo his weight training.

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

  I'm sure I told him to stay at home, but he’s gone out.
  
  

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

  John did well in the competition, but he didn’t win.
  
  

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

  Brave though he was, the soldier dreaded the onset of battle.
  
  

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

  future                     computer                       shuttle                        nuclear 

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

  world                   sports                          morning                       corporation

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

  threaten                       methane                       earth                       breathing