A LP is given as Max z = 3x + 4y Subj to x + 3y < 60 x + y > 10 x < y With x, y > 0 a) Solve the LP using graphical corner point method. x= , y= b) What kind of LPP is the above? c) Suppose the cost of y changes from 4 to 9. How does this affect the current solution? d) Suppose a fourth constraint is added to the original problem which is 15x + y < 45. What happens to the original solution?

A LP is given as Max z = 3x + 4y Subj to x + 3y < 60 x + y > 10 x < y With x, y > 0 a) Solve the LP using graphical corner point method. x= , y= b) What kind of LPP is the above? c) Suppose the cost of y changes from 4 to 9. How does this affect the current solution? d) Suppose a fourth constraint is added to the original problem which is 15x + y < 45. What happens to the original solution?

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter2: Systems Of Linear Equations

Section2.5: Iterative Methods For Solving Linear Systems

Problem 25EQ

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