2b. Fitting an Exponential Model <https://www.desmos.com/calculator/fm6rsv7mmp>
2e. Fitting a Linear Model <https://www.desmos.com/calculator/hwcsxo7oyc>
3a. Linear Model Error <https://www.desmos.com/calculator/jzecmsidnt>
4d. Fitting a Logistic Model <https://www.desmos.com/calculator/iria3vrzp2>
5b. Fitting a Second Linear Model <https://www.desmos.com/calculator/selvf1cyro>