Given $f(x)=\frac{x^{2}+15 x+50}{x^{2}-6 x-72}$ , Find All Values For $x$ For Which $f(x) \geq 0$

Multiple Choice

Given $f(x) =\frac{x^{2}+15 x+50}{x^{2}-6 x-72}$ , find all values for $x$ for which $f(x) \geq 0$ .

A) $[-10,-6] \cup[-5,12]$
B) $(-\infty,-10] \cup[-6,-5] \cup[12, \infty)$
C) $(-\infty,-10] \cup(-6,-5] \cup(12, \infty)$
D) $[-10,-6) \cup[-5,12)$