Models Such as Moving Averages,exponential Smoothing,and Linear Trend Use Only

Multiple Choice

Models such as moving averages,exponential smoothing,and linear trend use only

A) future values of Y to forecast previous values of Y.
B) previous values of Y to forecast future values of Y.
C) multiple explanatory variables (not just values of Y) to forecast future values of Y.
D) ratio-to-moving-average methods.