\label{Function_Plot_Response_Elements}

There are two elements that can be added to the graph area.

The first is a Spline.  At least one spline is necessary for the problem to work.  These splines are what will be adjusted and analyzed to solve the problem.

The second is a Background Plot.  This places a static curve on the graph.  This curve can change between individual problems, but the student will not be able to move it in any way.