Indicate which of the following is an all-integer linear program and which is a mixed-integer linear program. Write the LP Relaxation for the problem but do not attempt to solve. (a) ta Max 70x1 + 65x2 s.t. (1) 7x1 + 3.5x2 s 400 (2) 3.5x1 + 2x2 s 250 (3) X1 + X2 $ 150 X1, X2 2 0 and X2 integer Is this linear program an all-integer linear program or a mixed-integer linear program? This is an all-integer linear program. This is a mixed-integer linear program. ers fr world erg Write the LP Relaxation for the problem (LP relaxation means that write program in Simple Linear Program Model without integer variable requirement). Max s.t. (1) Sr (2) PH we lin (3) B-88 ---Select--- (b) ng you d text a rates Min 5x1 + 6x2 s.t. (1) 4X1 + 6x2 2 8 (2) 4x1 + 8x2 12 X1, X2 = 0 and integer Tex Is this linear program an all-integer linear program or a mixed-integer linear program? This is an all-integer linear program. This is a mixed-integer linear program. o o Write the LP Relaxation for the problem. Min s.t. (1) (2) ---Select