Please answer the questions that are starred.

14.4a) Find the relative minimum

14.4b) Find the relative minimum

14.4c) Find the relative maximum

DETAILS PREVIOUS ANSWERS HARMATHAP12 14.4.007. MY NOTES ASK YOUR TEAC Find the function's relative maxima, relative minima, and saddle points, if they exist. (If an answer does not exist, enter DNE.) z = x2 + y2 - 4x + 6y + 7 relative maximum (x, y, z) = (d ane relative minimum (x, y, z) = saddle point (x, y, z) = ( dne Need Help? Read It Watch It Submit Answer DETAILS PREVIOUS ANSWERS HARMATHAP12 14.4.013. MY NOTES ASK YOUR TEA Find the function's relative maxima, relative minima, and saddle points, if they exist. (If an answer does not exist, enter DNE.) z= x2 + xy+ y2 - 12y+ 6x relative maximum (x, y, z) = dne relative minimum (x, y, z) = dne X saddle point (x, y, z ) = dne Need Help? Read It DETAILS PREVIOUS ANSWERS HARMATHAP12 14.4.016. MY Find the function's relative maxima, relative minima, and saddle points, if they exist. (If an answer does not exist, enter DNE.) z = 12xy - x3 - y2 relative maximum (x, y, z) = (dne X