The graphs of two functions, $p(x)$ and $q(x),$ are shown here on one set of axes:
If $q(p(x))$ is evaluated at $x=-4,$ $-3,$ $-2,$ $-1,$ $0,$ $1,$ $2,$ $3,$ $4,$ what is the sum of the nine values obtained in this way?
The answer is 15.
+1661 
