The adjacent table gives the number of worldwide Internet users in millions Complete parts a through b Year 1995 1996 1997 1998 1999 2000 2001 Users millions 11 39 77 189 292 341 521 Year 2002 2003 2004 2005 2006 2007 Full data se b Use the model to predict the number of users in 2011 million The number of users in 2011 will be approximately Round to the nearest whole number as needed Users millions 589 705 821 1010 1099 1235 a Find the cubic function that is the best fit for the data with y equal to the number of millions of users and x equ the number of years from 1990 y Use integers or decimals for any numbers in the expression Round to three decimal places as needed