Company X tried selling widgets at various prices to see how much profit they would
make. The following table shows the widget selling price, x, and the total profit
earned at that price, y. Write a quadratic regression equation for this set of data,
rounding all coefficients to the nearest hundredth. Using this equation, find the
profit, to the nearest dollar, for a selling price of 19.5 dollars.
Price (x) Profit (y)
15.75 22602
18.25 29017
23.00 38820
33.00 42470
37.75 35708