A system has a current population of 4000000 fish.In each year, an enhancement program produces a 7% growth in population followed by a 200000 fish harvest.(200000 fish are taken from the population.) Determine the number of fish after the secound harvest.
Anser...165600
The population of Canada is 30 million people and is growing at an annual rate of 1.4%. The population of Germany is 80 million people and is decreasing at an annual rate of 1.7%.In how many years will the population of Canada be equal to the population of Germany?
Answer...31.59 years
The exponential function y=2x can be used to determine the number of ancestors you had in a previous generation. For example, if x=2, then y=4 means that 2 generations ago you had 4 ancestors(your grandparents).Determine an expression which represents the total number of ancestors you have had in the last n generations.