MAT2322 IMAGE

Consider the function f(:c,y)=a:33zv+y42y2. Which of the following statements are true? SELEC'I ALL TRUE STATEMENTS. Select 2 correct answer(s) O a) (-1,-1) is a local minimum of f. O b) (-1,1) is a local minimum of f. O c) (-1, 1) is a local minimum of f. C] d) (-1, -1) is a saddle point of f. D e) (1,1) is a local minimum of f. O 1') (1,-1) is a local maximum of f