Find the extremum of f(x,y) subject to the given constraint, and state whether it is a maximum or a minimum.f(x,y) = x + y; 4x

Find the extremum of f(x,y) subject to the given constraint, and state whether it is a maximum or a minimum.f(x,y) = x² + y²; 4x + 3y = 75Find the Lagrange function F(x,y,?).F(x,y,?)=Find the partial derivatives Fx, Fy, and F?.Fx=Fy=F?=There is a maximum minimum value of located at (x, y) =