5x + 2y = 1
2x + 3y = 7

what the answer and the steps to how you got that answer

Which of these tables represents a non-linear function?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

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?