Use the Properties of Limits to Find the Indicated Limit $\lim _{x \rightarrow 7^{+}} \sqrt{x^{2}+12 x+36}$

Multiple Choice

Use the properties of limits to find the indicated limit.
- $\lim _{x \rightarrow 7^{+}} \sqrt{x^{2}+12 x+36}$

A) $\pm 13$
B) 13
C) 169
D) does not exist