(See) The average annual number of cigarettes smoked by an adult in some country continues to decline. For the years 1997-2006. the equation y = -49.4x
Question: The average annual number of cigarettes smoked by an adult in some country continues to decline. For the years 1997-2006. the equation y = -49.4x + 1756.8 approximates this data. Here. x is the number of years after 1997 and y is the average annual number of cigarettes smoked. If this trend continues. find the year in which the average annual number of cigarettes smoked is zero. To do this, let y = 0 and solve for x.
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