Question: Internet usage the percent of the U.S. population that used the Internet during selected years from 2000 can be modeled by the function
y = (80.8)/(1 + 0.20e-0.324x)
where x is the number of years past 2000.
(a) Find and interpret y'(20).
(b) What does this tell us about the future percent of the U.S. population that uses the Internet after 2020?