Internet Usage Worldwide Internet usage from 1997 through 2007 is shown in the table below.
a. Find the quadratic function that models the data, with x equal to the number of years after 1990.
b. Graph the data and the function that models the data.
c. Does this model appear to be a good fit for the data?
d. Use the result of part (a) to estimate when Internet usage would be 2 billion.
Year | Internet Usage (millions) | Year | Internet Usage (millions) |
1997 | 75 | 2001 | 340 |
1998 | 105 | 2002 | 580 |
1999 | 175 | 2005 | 1018 |
2000 | 255 | 2007 | 1215 |
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