Diseases tend to spread according to the exponential growth model. In the early days of AIDS, the growth factor (i.e. common rat
io; growth multiplier) was around 2.0. In 1983, about 1800 people in the U.S. died of AIDS. If the trend had continued unchecked, how many people would have died from AIDS in 2003?
Answer: B. {(-8,-2), (7,-2), (-9,2), (0,0)} Explanation: A, C, and D all have a number in the x value that is repeated therefore making them not functions.
