Use a Calculator to Estimate the Limit $\lim _{x \rightarrow 3} \sqrt{x^{2}+6 x+9}$

Multiple Choice

Use a calculator to estimate the limit.
- $\lim _{x \rightarrow 3} \sqrt{x^{2}+6 x+9}$

A) $\pm 6$
B) Does not exist
C) 6
D) 36