We will answer the part E), from the set of items , this items ask
e) Use your model to predict when there will be 100 new cases
The model found to predict the number of cases depending on the numbers of weeks from the case 10th, is

When


To predict when there will be 100 cases we have to substitute the variable y for 100, and solves the resulting equation for x, we find:

Solving this equation for x, we find that
