solved 1) Define the different between linear and nonlinear optimization with

1) Define the different between linear and nonlinear optimization with example each? (6 marks)Answer:2)A- How to calculate forecast error? (1 mark)B- Calculate forecast error for December? (1 mark)MonthSalesForecastErrorSeptember55003000———October72004150———November86009100———December93007900Answer:3)A- How to calculate forecast weighted moving average? (1 mark)B- Apply forecast weighted moving average formula for week 2. (1 mark)(n = 2, W1 = 0.5, W2 = 0.8)WeekDemand17000240003300045000Answer: