“The graph that really grabbed my attention was the one showing a model of daily new cases of Covid-19 with social-distancing measures starting just one day apart,” Dr. Britta Jewell said.

Equations of curves - Intermediate & Higher tier – WJEC Exponential graphs - Higher only Quadratic, cubic and exponential graphs are three different types of curved graphs. We can use them to ...

This so-called exponential curve has experts worried. If the number of cases were to continue to double every three days, there would be about a hundred million cases in the United States by May.