2. Remaining in the Graphing Perspective, type Solve(P'=0) on an input line and answer the question below correct to two decimal places (use the purple approximation button (:5) to convert to a decimal). After you've found the critical numbers for PCs), type Roots(P') on an input line. GeoGebra will plot and label the coordinates for the :1: intercepts for the graph of P'(:c) for you. Type them on the space provided. These answers should be closely related to your critical numbers