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Given n = 60x - 4x + 8xy-8y + 64y-28 subject to x + y = 25, maximise this function. Use elimination and substitution

Given n = 60x - 4x + 8xy-8y + 64y-28 subject to x + y = 25, maximise this function. Use elimination and substitution method. (15) Minimise costs for a firm with the cost function c = x + 4xy + 2y + 200 subject to the production quota x + y = 28. Use elimination and substitution method (10)

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a We can employ the elimination and substitution method to maximize the function 60x 4x2 8xy 8y2 64y 28 given the constraint x y 25 Step 1 Solve the c... blur-text-image

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