The numbers are 24 carts to 30 boxes, 30 carts to 36 boxes, 36 carts to 42 boxes. What function does this show?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.