India is currently one of the world s fastest-growing countries. By 2040, the population of India will be larger than the population of China; by 2050, nearly one-third of the world s population will live in these two countries alone. The exponential function models the population of India, in millions, years after 1974. a. Substitute 0 for and, without using a calculator, find India s population in 1974. b. Substitute 27 for and use your calculator to find India s population, to the nearest million, in the year 2001 as modeled by this function. c. Find India s population, to the nearest million, in the year 2028 as predicted by this function. d. Find India s population, to the nearest million, in the year 2055 as predicted by this function. e. What appears to be happening to India s population every 27 years?
Class Activity Chapter 2 1 Class Activities Chapter 2 1. Dr. Smith has concluded the initial portion of data collection on her study into rural crime in America. She has placed the task of identifying the various types of data for a random selection of a few of her variables to her new research assistant. Help Dr. Smith’s new assistant by identifying the level of measurement of each of the variables listed in the table below. Income # Homicides Sex Age Temperature Suspect °F $20,215 17 F 21 56 Wendy $150,987 22