Can someone me with this question, its a/-2 = 2.5 - 3a. its solving inequalities by multiplying or dividing

Which function has the domain x> -11

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?

Identify the number as a rational or irrational.explai. 291.87