Answer ALL questions.Question 1(a) Explain the THREE (3) rules of Gaussian elimination method's of elementary rowoperations.(b) Explain decision variables, objective function, and constraints in the context of thelinear programming model.(c) Solve the x values of the following equations:(i) 4x-6y=0 when y=2(ii) x² + 3x +2=0(iii) 9x + 1 = 4 + 6x(d) Given the supply and demand functionsP=Qs² + 14Qs + 22P=-Qd² - 10Qd+ 150Explain how to determine equilibrium price and quantity (Hint: In equilibrium, Q§=Qa) and comment on your answer.(e) Given demand function P= 20-4Q, and fixed cost is 100 and variable cost is $2 perunit:(i) List out the general expression of total revenue(ii) Explain what quantity level will produce breakeven point.

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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Answer ALL questions. Question 1 (a) Explain the THREE (3) rules of Gaussian elimination method's of elementary row operations. otion, and constraints in the context of the