Drinking-Age Laws The cumulative estimated number of lives saved in the United States by the enforcement of minimum drinking-age laws can be modeled as
where t is the number of years since 1997, data from 0 ≤ t ≤ 10.
(Source: Based on data from Traffic Safety Facts 2007, NHTSA)
a. Interpret the slope of the linear model.
b. Use output values corresponding to 1997 and 2007 in order to fit a model that can be used as an inverse to the model given.
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