Respuesta :

SOLUTION

The given function is:

[tex]f(x)=\frac{1}{3}\cdot4^x[/tex]

Substitute x=3 into the equation:

[tex]\begin{gathered} f(3)=\frac{1}{3}\cdot4^3 \\ f(x)=\frac{64}{3} \end{gathered}[/tex]

Therefore the required answer is:

[tex][/tex]