X Each point on the scatter plot represents the cost of a first-class postage stamp in the
United States at the end of each year. Which line is the line of best fit?
History of
First-Class Stamg Prices
Ristory of
First-Class Stomp Prices

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?