Use L'H^opital's Rule to Find the Limit $\lim _ { x \rightarrow \infty } \frac { 3 x + 6 } { 7 x ^ { 2 } + 7 x - 7 }$

Multiple Choice

Use l'H^opital's rule to find the limit.
- $\lim _ { x \rightarrow \infty } \frac { 3 x + 6 } { 7 x ^ { 2 } + 7 x - 7 }$

A) 1
B) $\frac { 3 } { 14 }$
C) 0
D) $\frac { 3 } { 7 }$