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The bar graph shows the cumulative number of death form AIDS in the US, from 1990 through each of the years 1996-2002.
The data in the graph can be modeled by the following polynomials, in which f(x) and g(x) represent the cumulative number of AIDS deaths x years after 1990
F(x) = -2209xto the 2 power + 57.571x +107898
G(x) = -82 x to the 3 power +50613x +113438
Find f(x) and g(x)
I have try to work the problem out, however I am not able to figure it out.

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