Suppose that 650 lb of coffee are sold when the price is $4 per pound, and 400 lb are sold at $8 per pound. a. List the data points (use price as the independent variable). b. Find the slope of the line joining the points. - d. Use the point slope form to write a linear equation for this data. Write the answer in function notation. e. Use the function to predict how much consumers would be willing to buy at a price of six dollars per pound.