[size=150]This activity is derived from [url=https://www.geogebra.org/u/mputzi]Martin Putzlocher[/url]'s resource at [url=https://www.geogebra.org/m/mcvm2mdx]https://www.geogebra.org/m/mcvm2mdx[br][br][/url]Students : Use the spreadsheet to input the data on number of confirmed cases against the number of days since the start of the initial Covid-19 cases are reported in your own country.[br]Data should be available on the web at WHO .[br][url=https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports]https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports[/url][br][br]Use the sliders "a" and "b" to try to fit the curve for the initial cases.[br]Can you obtain the numbers for a and b?[br][br]Read Tomas Pueyo's article at [br][url=https://medium.com/@tomaspueyo/coronavirus-act-today-or-people-will-die-f4d3d9cd99ca]https://medium.com/@tomaspueyo/coronavirus-act-today-or-people-will-die-f4d3d9cd99ca[/url][br][br]Can you explain why the graph may not be expontial throughout ? (Higher order question)[br]Download this file and modify accordingly and create your own model.[/size]