The graph to the right shows a region of feasible solutions. Use this region to find maximum and minimum values of the given objective functions, and the locations of these values on the graph. 10- (2, 8) (a) z -6x +9,y (b)2-x + 3y (a) What is the maximum of z 6x+ 9y? Select the correct answer below and, if necessary, fill in the answer boxes to complete your choice. (7, 5) (0 A. The maximum value of the objective function z- 6x + 9y is 87 and is located at the point (7,5) Type an exact answer.) 10 O B. The maximum does not exist. What is the minimum of z 6x+9y? Select the correct answer below and, if necessary, fill in the answer boxes to complete your choice. O A. The minimum value of the objective function z- 6x + 9y is located at the point (Type an exact answer.) and is O B. The minimum does not exist