Respuesta :

[tex]\begin{gathered} f(x)=\text{ 5 \lparen}\frac{1}{2})^x \\ \\ f(4)=\text{ 5\lparen}\frac{1}{2})^4 \\ \\ f(4)=\text{ 5 \lparen}\frac{1}{16}) \\ \\ f(4)=\text{ }\frac{5}{16} \end{gathered}[/tex]

The answer is A)5/16.