Answer
$63360x$
Work Step by Step
Step 1. Based on the given data, we have for $x\ yd\to in$, $f(x)=36x$
Step 2. Based on the given data, we have for $x\ mi\to yd$, $g(x)=1760x$
Step 3. For $x\ mi\to in$, we have $(g\circ f)(x)=g(f(x))=1760(36x)=63360x$
