1. In the figures below, the graphs of nine functions are shown. Each of the functions 9?. 92 and gs is the derivative function of one of the functions fi. f or f?. Each of the functions hy, hy and hy is the derivative function of one of the functions sh. 92 or 5s (and hence the second derivative function of one of the functions f1. Ja or fs). Find the appropriate combinations based on the given graph. (Do not try to find the equations of the functions!) X +