Let C(t) be the number of active COVID-19 cases in Ontario on day t. Select all of the following that describe the derivative, C' (t). Hint: It may help to think about the graph of C(t), and which statements describe a tangent line of C(t). There were 22152 cases on April 10th, 2020. There are less cases today than there were in January 2022. Cases plateaued in April 2021 Cases skyrocketed in December 2021 Cases increased by 500 on June 12th, 2020