Q6·Section II (Mathematics)·6 of 145A critical point with fxx<0f_{xx}<0fxx<0 and positive Hessian determinantConsider the function f(x,y)=xy(12−3x−4y)f(x,y)=xy(12-3x-4y)f(x,y)=xy(12−3x−4y). The point (43,1)\bigl(\frac43,1\bigr)(34,1): OptionsAis not a critical point of fffBis a local maximum of fffCis a local minimum of fffDis a saddle point of fffPick an option to check your answer.Show answerShow solution Report a problem with this question← Q5All questionsQ7 →Keyboard: A–D answer · S solution · ←/→ previous/next