Sa financial consultant, the cfo of a major television company has shared the profit function p(x) = −x4 - 2x3 + 21x2 + 22x − 40 with you which models the profit of the company based on the number of commercials , x, they air in a 24-hour period. describe the appearance of the graph to the cfo. use complete sentences, and focus on the end behaviors of the graph and how to use the function p(x) to find where the company will break even (where p(x) = 0).