4. [5/6 Points] DETAILS PREVIOUS ANSWERS LARCAAPCALC2 13.5.010. Find the critical points, relative extrema, and saddle points of the function. (If an answer does not exist, enter DNE.) F( x, y ) = x2 + 8xy + 172 - 6y + 9 Relative maximum of f(x, y) = DNE at (x, y) = DNE Relative minimum of f(x, y) = 0 at (x, y) = Saddle point of f(x, y) = DNE at (x, y) = DNE Need Help? Read It Watch It 5. [4/6 Points] DETAILS PREVIOUS ANSWERS LARCAAPCALC2 13.5.012. Find the critical points, relative extrema, and saddle points of the function. (If an answer does not exist, enter DNE.) F(x, y) = -5x2 - 4y2 + 5x - By + 5 Relative maximum of f(x, y) = at (x, y) = Relative minimum of f(x, y) = DNE at (x, y) =( DNE Saddle point of f(x, y) = DNE at (x, y) = DNE Need Help? Road It Watch It