Answer
A
Work Step by Step
We are given that $f(x)=(\frac{1}{3})^{-x}$. In order to find out which graph matches this function, we can find the value of $f(1)$.
$f(1)=(\frac{1}{3})^{-1}=3^{1}=3$
Therefore, $f(x)$ matches Graph A, as it is the only graph that contains the ordered pair $(1,3)$.