Question

use the internet in a country is given by the function f(x) = 0.48x^2 - 1.694x +0.315, where the output is in millions of users. In this formula x = 6 corresponds to 1996. x = 7 corresponds to 1997, and so on until x = 20 corresponds to 2010. Estimate when the number of internet users in the country reached 41 million?

Answer 1

see other post.