2 2 6) Letz =f(x, y) = 2x +3y in the closed, region - 2

6) Let z = f (x, y) = 2 x +3 y in the closed, region -2 < x < 2 & -2 sy <2 Find and classify all extrema, relative and absolute. 6) Let z = f (x, y) = 2 x +3 y in the closed, region -2 < x < 2 & -2 sy <2 Find and classify all extrema, relative and absolute.