Question

[Pham Trong Bach]

Cho hàm số $y = f\left(x\right)$  thỏa mãn: $f\left(\frac{2x-1}{x+2}\right)=\frac{3x+5 }{2x-1}(x\ne 2; \frac{1}{2})$   . Tìm  $\underset{x\to +\infty }{\lim }f\left(x\right)$

A.  $\frac{4}{3}$

B.  $\frac{1}{5}$

C. $\frac{3}{2}$

D.  $\frac{2}{3}$

Answer 1

[Cao Minh Tâm]