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Question: Modeling U.S. households with cable/satellite TV The following data represent the percent of U.S. households with cable/satellite TV for selected years from 1980 to 2009.
(a) Let x 5 0 in 1970 and find a logarithmic equation that models the data.
(b) If this model remains valid, use it to predict the percent of U.S. households with cable TV in the year 2015.
(c) For what year after 2000 can we be sure this model is no longer valid?
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