\(\underset{x\to -\infty }{\mathop{\lim }}...

Câu hỏi: \(\underset{x\to -\infty }{\mathop{\lim }}\,\frac{2x+1}{x-3}\) bằng

A

 \(-\frac{2}{3}\).                                 

B

 \(1.\)                                       

C

 2.                                           

D  \(-\frac{1}{3}\).