Modeling U.S. poverty threshold
The table shows the yearly poverty threshold income for a single person for selected years from 1990 to 2008.
(a) Model these data with a power function p(t), where p is the poverty threshold income for a single person and t is the number of years past 1980.
(b) Find the function that models the rate of change of the poverty threshold income for a single person.
(c) Use the model in part (b) to find and interpret the rate of change of the poverty threshold income in 2010.