Tourism Spending The equationy = 1.69x2 -0.92x + 324.10,with x equal to the number of years after 1998, models the global spending (in billions of dollars) ontravel and tourism from 1998 to 2009.a. Graph this function for x = 0 to x = 20.b. If x = 0 in 1998, find the spending projected bythis model for 2015.c. Is the value in part (b) an interpolation or anextrapolation?

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