In 2012, the population of a city was 6.59 million. The exponential growth rate was 2.08% per year.
a) Find the exponential growth function
b) Estimate the population of the city in 2018
c) When will the population of the city be 10 million?
d) Find the doubling time.
a) The exponential growth function is P(t)=
where t is in terms of the number of years since 2012 and P(t) is the population in millions

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?