Consider the following linear programing problem:   P = 2x + 3y   subject to 2x + 5y ≤ 20 Resource 1 3x + 2y ≤ 17 Resource 2 as well as x ≥ 0 and y ≥ 0.   Use the method of corners (showing your graph and corner points) to solve this problem.  (i.e. Find the number of x and y so that P is optimized)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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  • Consider the following linear programing problem:

 

P = 2x + 3y   subject to

2x + 5y ≤ 20 Resource 1

3x + 2y ≤ 17 Resource 2

as well as x ≥ 0 and y ≥ 0.

 

  1. Use the method of corners (showing your graph and corner points) to solve this problem.

 (i.e. Find the number of x and y so that P is optimized)

Hint: If you are dealing with a bounded area, then it is a maximizing problem.  

 

  1. Will the optimal solution you found in part “a” remain optimal if coefficient of x changes to 1 in the “objective function”? How do you know? 
  2. What is the range of values for the coefficient of x in the objective function to keep the optimal solution unchanged?
  3. Will the solution remain optimal is amount of Resource 2 changes to 20? How do you know? 
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