2. The following table shows the market share of Electricity Inc as a percentage of the total energy production in a city by year Year 1980 1985 1990 1995 2000 2005 2010 Market Share 17.0% 18.9% 20.0% 20.8% 20.1% 17.4 % 16.3% Use quadratic regression to find a mathematical model that describes the relationship between year and market share. Use EXCEL to draw a graph of this relationship with the trend curve 3. Use the revenue and cost functions: R(x) - x(2,000 - 60x) C(x) 4000 500x A. Find the break even points B. For what values of x will a loss occur? A profit