Respuesta :

Answer:

Step-by-step explanation:

[tex]r(x)=2\sqrt{x} , s(x)=\sqrt{x} \\ rs(x)=2\sqrt{x} \sqrt{x} =2x\\rs(4)=8\\\\\frac{r}{s}(x) =\frac{2\sqrt{x} }{\sqrt{x} } = 2\\\frac{r}{s} (3) = 2[/tex]