Use a Calculator to Estimate the Limit $\lim _{x \rightarrow 9^{+}} \frac{x-6}{x+9}$

Multiple Choice

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

A) 0
B) $-\infty$
C) $\infty$
D) does not exist