How is growth shown in a graph

What could explain what happened when the time was equal to 120 minutes

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?

Which rule describes the composition of transformations that maps △abc to △a”b”c