The cost of producing x units of a product during a month is x 1/2 dollars. Show that the minimumcost method of producing 40 units during the next 2 months is to produce all 40 units during a single...

The cost of producing x units of a product during a month is x^1/2
dollars. Show that the minimumcost method of producing 40 units during the next 2 months is to produce all 40 units during a single month

The file P07_28.xlsx lists the scores of all NFL games played during the 1996 season. Use this data set to rank the NFL teams from best to worst.