In the year 2000, the population of a certain country was 282282 million with an estimated growth rate of 0.70.7% per year. a. based on these figures, find the doubling time and project the population in 21002100. b. suppose the actual growth rates are just 0.2 percentage points lower and higher than 0.70.7% per year (0.50.5% and 0.90.9%). what are the resulting doubling times and projected 21002100 population? a. let y(t) be the population of the country, in millions, t years afte