{"type":"rich","version":"1.0","title":"list of boundaries and list of functions to a piecewise function (not to a list of functions)","html":"<iframe src=\"https://www.desmos.com/calculator/nmtfeyipiw?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}