1) A company had the following demand for the past 2 years, please develop an optimal forecasting method (one with the lowest error), and forecast the next 12 months using the best model. Compare MAD/MSE/MFE and MAPE across the different forecasting methods you select Please discuss your results 2020 Demand 2021 Demand Jan 1361 Dec 1438 Feb 1286 Jan 1415 Feb 1325 Mar 1230 Mar 1286 Apr 1225 Apr 1295 May 1220 May 1275 Jun 1250 Jun 1255 Jul 1210 Jul 1290 Aug 1190 Aug 1240 Sep 1240 Sep 1300 Oct 1288 Oct 1375 Nov 1422 Nov 1362 Dec 1490 Dec 1438

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.