Does this table represent a proportional relationship? No. The points are not on the same line.
No. The line does not pass through the origin.
No. The ordered pairs do not make equivalent ratios.
Yes. The points are on a line that passes through the origin.

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?