Answer
3
Work Step by Step
We are asked to find $(g∘f)(8)$. We know that $(g∘f)(x)=g(f(x))$.
Therefore, $(g∘f)(8)=g(f(8))$.
From the first table, we see that $f(8)=2$. From the second table, we see that $g(2)=3$.
Therefore, $g(f(8))=g(2)=3$.