Find the profit function P(x) for a corporation for the years 2004-2012 given the revenue function R(x) and the costs function C(x) for years 2004-2012. R(x) =- 0 0541x + 1 714x - 10 56x + 112.8 C(x) =- 0 0393x + 0.895x - 7.93x + 97.5 P(x) =-0.0148x3 + 0.819x2-2.63x + 15.3 (Simplify your answer.)