The graph to the right shows a country\'s adult wine consumption, in gallons per

Question

The graph to the right shows a country's adult wine consumption, in gallons per person, for selected years from 1980 through 2005. The function given below models the country's wine consumption, f(x), in gallons per person, x years after 1980. Complete parts (a) and (b). f(x) = 0.004x 2 - 0.094x + 2.8 According to this function, what was the country's adult wine consumption in 2005? Does this overestimate or underestimate the value shown by the graph? By how much? In 2005, the country's adult wine consumption was gallons per person. (Type an integer or a decimal.) Enter any number or expression in the edit field, then click Check Answer.

Explanation / Answer

a ) f(15) = 0.004*15^2-0.094*15+2.8 = 2.29 gallons per person !! yes there is difference 3 - 2.29 = 0.71 b) 2.29 gallons per person .

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