I need help with these two problems please, and please answer all parts of the questions and make it it legible. You can see from the pics how many parts of the problems their are.

Part 1 of 3 Find all the local maxima, local minima, and saddle points of the function. f(x,y) =x2 -4xy + y2+ 6y+9 . . . . . Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. A local maximum occurs at (Type an ordered pair. Use a comma to separate answers as needed.) The loal maximum value(s) is/are (Type an exact answer. Use a comma to separate answers as needed.) O B. There are no local maxima.Part 1 of 3 Find all the local maxima, local minima, and saddle points of the function. f(x,y) = 4x2+ 4xy - 12x . . . . . Select the correct choice below and fill in any answer boxes within your choice. O A. A local maximum occurs at (Type an ordered pair. Use a comma to separate answers as needed.) The local maximum value(s) is/are (Type an exact answer. Use a comma to separate answers as needed.) O B. There are no local maxima