Answer
See below.
Work Step by Step
$(\frac{f}{g})(x)=\frac{f(x)}{g(x)}=\frac{x^2-2x}{x-5}$
$(\frac{f}{g})(4)=\frac{4^2-2\cdot4}{4-5}=\frac{16-8}{-1}=-8$
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