Max/min applications of quadratic functions The total revenue for Fred's Estates LLC is given as the function R(x) = 400x -0.5x², where x is the number of apartments filled. What number of apartments filled produces the maximum revenue?

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat