{"type":"rich","version":"1.0","title":"Functions f(x) = -3x + 4 and f(x - 3) on the Desmos Graphing Calculator","html":"<iframe src=\"https://www.desmos.com/calculator/tbsayhzl21?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}