Question: Use the double exponential smoothing to predict the request of the period 4; with alpha = 0.4, beta = 0.2, the initial trend value is

Use the double exponential smoothing to predict the request of the period 4; with alpha = 0.4, beta = 0.2, the initial trend value is (T1)=4 and the initial forecast (P1)=200 Period real requests 1. 200 2. 212 3. 214

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