Multivariable Calculus (1) E Test: Final Exam Question 12 of 12 This test: 100 This question: Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point. f(x,y) =x+y'-27x-48y +7 . . . . . O A. f(3, - 4) = 81, saddle point; f( - 3,4) = -67, saddle point C O B. f( - 3, -4) = 189, local maximum O c. f( - 3, - 4) = 189, local maximum; f(3,4) = - 175, local minimum O O D. f(3,4) = - 175, local minimum; f(3, - 4) = 81, saddle point; f( - 3,4) = -67, saddle point; f( - 3, - 4) = 189, local maxim