#### Answer

9

#### Work Step by Step

We are asked to find $(g∘f)(3)$. We know that $(g∘f)(x)=g(f(x))$.
Therefore, $(g∘f)(3)=g(f(3))$.
From the first table, we see that $f(3)=1$. From the second table, we see that $g(1)=9$.
Therefore, $g(f(3))=g(1)=9$.