1 of 15. Step Suppose a company's earnings are given by E(x) = P(x) + I(x), where x is the number of years since 2000, P(x) is the total profit from 2000 to year x, and I(x) is the 0.35x + 3 for a certain company, 1.5x + 1 and I(x) intangible growth (the growth in value of the company's intangible assets such as its good name). If P(x) determine the average earnings formula (earnings per year since 2000)