Answer
$-5$
Work Step by Step
Find the corresponding value of $f(-1)$ on the graph since we are plugging the corresponding value of $f(-1)$ into $g(x)$ and finding the corresponding value of $g(f(x))$ on the graph as well.
$f(-1)=1$
$g(1)=-5$
$g(f(x))=g(f(-1))=g(1)=-5$
