4. [1/2 Points] DETAILS PREVIOUS ANSWERS LARSONETS 13.8.009. MY NOTES PRACTICE ANOTHER Examine the function for relative extrema. f (x, y) = -x2 - 5y2 + 6x - 30y- 6 (x, y, z) = ( 3, - 3, 38 X O relative minimum relative maximum O saddle point O none of these Need Help? Read It 5. [-/2 Points] DETAILS LARSONET5 13.8.022.MI. MY NOTES PRACTICE ANOTHER Examine the function for relative extrema and saddle points. (If an answer does not exist, enter DNE.) g(x, y) = x2 - y2 - 9x - 4y ( x, y, z) = (1 O relative maximum O relative minimum O saddle point none of these