QUESTION 6 61 The graphical representation below is not drawn to scale. The gradient of the objective function is the same as the gradient of the dotted line. The equations of the inequalities are given as -3x + y 5 0; 2x + y 2 10; x 2 0; y 2 0. A -3r + 1=0 RegionII Regionl RegionIII RegionIV 2r + y = 10 - Search line Various options are given as possible answers to the following questions. Choose the answer and write only the letter (A-D) next to the question number (6.1.1-6.1.2) in the ANSWER BOOK. 6.1.1 Which ONE of the following labels indicate the feasible region described by -3x + y s 0; 2x + y 2 10; x 2 0; y 2 0? A Region I B Region II C Region III D Region IV 6.1.2 Use the search line and determine at which point the function is minimised with respect to the feasible region chosen in QUESTION 6.1.1. A Point A Point B C Point C D Point D Processed by FREE version of Jet Scanner Lite- * 1) (2) 7 -11- UT/WIN2. 6.2 The objective function for the graph in QUESTION 6.1 is given as P = ax + 4 y. The profit at B is given as 15. Determine the value of a in the objective function. (3)