Find the values of x and y that minimize 4x2 + xv + y2 7)! subject to the constraint x + y = 0. Before finding the values of x and 3; that minimize the given function, identify the function f(x,y) and the constraint g(x,yJ. ftw) = D 90W) = x = , y =| (Simplify your answers.) Find all points (xy) where f(x,y) has a possible relative maximum or minimum. 2 2 f(x, )=x 3xy+2y +3x4y+6 E> First. find the partial derivatives. ea $1 What are the possible point(s)? E (Type an ordered pair. Type an exact answer in simplified form. Use a comma to separate answers as needed.)