1. A manufacturer sells video games with the following cost and revenue functions [in dollars), where :1: is the number of games sold. C(22) = 0.11.1:2 [1.0001323 R(1:} = 0.62032 0.0002223 [3. Write the prot function, PM). Simplify. [b] - What is the domain of the prot function, P(I)? (In other words, what types of svalues make sense for this problem? (c) . Find where the prot function is increasing and decreasing. Write your answers in interval notation and show suicient work as shown in class to back up your answers. Prot is increasing on Prot is decreasing on 2. (2 PTS) List the open intervals where the graph to the right is increasing and decreasing. 8 Increasing: Decreasing: me the percent of concentration of a drug in the bloodstream t hotlIs after the drug administered is given by K[t] = . {:1} What is the domain of KM? [In other words, what types of tvalues make sense in this problem? [13] Find how long it takes to reach the maximum concentration and nd the maximum con- centration. Round your nal answers to two decimal places. Make sure you show (using calculus) how you know it is a. maximum! The maximum concentration is and happens at