The population of a city in 2005 was 18,000. by 2010, the city’s population had grown to 45,000. if the population growth follows a exponetial model, what is the projected population for 2015?

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?