8. Given the following 2 constraints, which solution is a feasible solution for a maximization problem?
(i) 8x1 + 3x2 ≤ 22; (ii) x1 – x2 ≤ 5
A) (x1, x2 ) = (1, 5)
B) (x1, x2 ) = (5, 1)
C) (x1, x2) = (2, 1)
D) (x1, x2) = (4, 4)
Given 2 constraints:
(i) 8x1 + 3x2 ≤ 22
(ii) x1 – x2 ≤ 5
Using options to find feasible solution
A), (x1, x2) = (1, 5)
equation i = 8*1 + 3* 5 = 23 which is not less than 22, so option is not correct.
B). (x1, x2 ) = (5, 1)
equation i = 8*5 + 3*1 = 43 which is not less than 22, so option is not correct.
C) (x1, x2) = (2, 1)
equation i = 8*2 + 3*1 = 19 which is less than 22
equation ii is 2 - 1 = 1 which is less than 5, Since both the equation are satisfying, this option is correct answer.
D) (x1, x2) = (4, 4)
equation i = 8*4 + 3*4 = 44 which is not less than 22, so option is not correct.
So, Option C is correct answer.
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