Question: A model for a country's population is given by the function of t, where t is the number of years since 1970. Find and

A model for a country's population is given by the function of

A model for a country's population is given by the function of t, where t is the number of years since 1970. Find and graph the percentage rate of change of f(t) for 0 st50. f(t) = 0.32t+18.2 The percentage rate of change is p(t) = - Year Country 1 (millions) Country 2 (millions) 1970 18 38 1980 21 53 1990 25 68 2000 28 83 2010 31 98 2020 34 113

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