4. For the function shown X) = (9:1 303 + 2mm + 3(x3 2)2 determine a} the steepest descent direction at point (1.1). h) the coordinates of the point of the minimum in that direction. c} the gradient at this new point. and conmient if it is the global minimum. 5. Solve the following LP problem using simplex method. Maximize f = 3x1 + 23c2 Subject to x1 + 3x2 E 15 4- x1 + as;2 :1 16 6351 'i 51-2 1:- 30 35120.9(220 Also show your solution in graphical form. What are the values of Lagrange multipliers