Pl i have less than 24 hours to complete

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

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?