Use Analytic Methods to Find the Limit As $x \rightarrow + \infty$

Multiple Choice

Use analytic methods to find the limit as $x \rightarrow + \infty$ for the given function. $f ( x ) = \frac { 3000 x } { 3900 - 15 x }$

A) $200$
B) $260$
C) $- 260$
D) $- 200$
E) does not exist