Divide Numerator and Denominator by the Highest Power of X $\lim _{x \rightarrow\infty} \frac{5 x+3}{\sqrt{3 x^{2}+1}}$

Multiple Choice

Divide numerator and denominator by the highest power of x in the denominator to find the limit.
- $\lim _{x \rightarrow\infty} \frac{5 x+3}{\sqrt{3 x^{2}+1}}$

A) $\frac { 5 } { \sqrt { 3 } }$
B) 0
C) $\frac { 5 } { 3 }$
D) $\infty$