I need help with sketching the time trajectory of the following graphs, please.

Further Exercises 1.6 1. This trajectory shows the hours a student studied per week during a quarter and that student's GPA for that quarter. Describe what happened and sketch the appropriate time series plots. 162 Modeling, Change, and Simulation 4.07 GPA 3.5+ 3.0t 20 50 80 hours of study per week 4. This time series graph describes the spread of an infectious disease. Sketch the trajectory corresponding to this time series. infected healthy 10000+ 8000+ 6000+ 4000+ 2000+ 10 20 30 time 40