Two companies sell software products. in 2006, company 1 had total sales of $14.3 million. it's marketing department prejects that sales will increase by $1.4 million per year for the next several years. company 2 total sales of $9.8 million for software products in 2006 and predicts that it's sales will increase on the average $2.0 million each year. let x represents the number of year's since 2006. i need