Question 1: Manchester Foundry produced 45,000 tons of steel in March at a cost of £1,150,000. In April, the foundry produced 35,000 tons at a cost of £950,000. Using only these two data points, determine the cost function for Manchester following the instruction in my post in Materials.
Question 2: Use Excel's "scatter plot" graphing function to plot the two points and the "trendline" option to determine the equation of interest. Does it match what you did manually? What is the interpretation of the equation and graph?
Question 3: You obtain new data, 30,000 tons and a cost of 600,000. How do those values match the equation you came up with by hand? Put the point into your Excel spreadsheet and create the scatter plot and trendline. Describe the output.