4. Let f(x, y)=x²+2xy-4 y² +4 x-6y+4. Find all local maximum values, local minimum values, and saddle points. Write your
Posted: Thu Jul 07, 2022 8:28 pm
4. Let f(x, y)=x²+2xy-4 y² +4 x-6y+4. Find all local maximum values, local minimum values, and saddle points. Write your answers as ordered pairs (x, y). (12 pt)