Scientists at a local preserve are studying the population of two insect species. They studied a sample of 200 of each species of insects. The population of species of A insects double each week. The population of species B insects increased by 1000 insects each week. Part A Write a function in terms of x to model the function of each species of insect.

Part B Which species of insects will have a population after 8 weeks?

Part C How many more insects does the larger group have than the other? Justify your answer.