Find all local extrema for the function f(x,y) = - 2x* + y#+4x--18y +3 and then match the equation with its graph. Select the correct choice below and fill in any answer box within your choice. O A. There are local maxima located at (Simplify your answer. Type an ordered pair. Use a comma to separate answers as needed.) O B. There are no local maxima. Select the correct choice below and fill in any answer box within your choice. A. The values of the local maxima are the same at all local maximum points. The local maximum value is . (Simplify your answer.) O B. The values of the local maxima are different at all local maximum points. The local maximum values are (Simplify your answer. Use a comma to separate answers as needed.) O C. There are no local maxima. Select the correct choice below and fill in any answer box within your choice. O A. There are local minima located at. (Simplify your answer. Type an ordered pair. Use a comma to separate answers as needed.) O B. There are no local minima. Select the correct choice below and fill in any answer box within your choice. O A. The values of the local minima are the same at all local minimum points. The local minimum value is . (Simplify your answer.) O B. The values of the local minima are different at all local minimum points. The local minimum values are (Simplify your answer. Use a comma to separate answers as needed.) O C. There are no local minima. Select the correct choice below and fill in any answer box within your choice. O A. There are saddle points located at (Simplify your answer. Type an ordered pair. Use a comma to separate answers as needed.) O B. There are no saddle points.