A. lusaka is a fast growing town in zambia. the population of lusaka appears to follow
the formula given below;
p(t)=20et
where p is the population in thousands and t is the number of years since 1980.r is
the growth rate and was found to be at 10%.
i. what was the population of lusaka in 1999?
[3 marks]
ii. what will the population of lusaka in 2020?
[3 marks]
ill. in which year was the population 105 000?
[5 marks]
iv. if the population of lusaka in 2015 was 182 000,what was the growth rate?