all ll. Pints 15. A product's price is the amount of money you get from selling one of the item. Revenue is the total amount of money from all the items you sell. The formula for one week of revenue is given below. Use your answers from question 8 to write an equation for the revenue of your business, where x = the change in price (in dollars). (6 points: 2 points for each constant term) Revenue = (unit price)(number of units sold) Revenue = (unit price + change in price)(base sales - sales rate . change in price) 16. Use any method to determine the roots and vertex of R(x), and then sketch the graph of your revenue equation below. Calculators and other graphing tools are acceptable. (9 points: 3 points for the roots, 3 points for the vertex, 3 points for the graph)