Evaluate and simplify $f(x)=\frac{x+2}{x-3}$ at $x=x-8$ .

A) $f(x-8)=-\frac{x-6}{x-11}$
B) $f(x-8)=\frac{x+2}{x+1}$
C) $f(x-8)=\frac{x-6}{x+1}$
D) $f(x-8)=\frac{x-6}{x-11}$
E) $f(x-8)=\frac{x+2}{x-1}$

Simplify

To reduce a mathematical expression or equation to its simplest form by performing operations and combining like terms.

Evaluate

To calculate the numerical value of an expression or determine the result of an equation.