Math Problem Statement

The graph to the right shows a region of feasible solutions. Use this region to find maximum and minimum values of the given objective​ functions, and the locations of these values on the graph. ​(a) zequals0.40xplus0.25y ​(b) zequals1.50xplus0.50y
(b) What is the maximum of zequals1.50xplus0.50​y? Select the correct answer below​ and, if​ necessary, fill in the answer boxes to complete your choice. A. The maximum value of the objective function zequals1.50xplus0.50y is    enter your response here and is located at    enter your response here. ​(Type an exact​ answer.) B. The maximum does not exist.

Solution

To solve this problem, we need to maximize the given objective function z=1.50x+0.50yz = 1.50x + 0.50y within the region of feasible solutions determined by the graph, typically defined by a set of constraints.

Steps to Maximize z=1.50x+0.50yz = 1.50x + 0.50y:

  1. Identify the Feasible Region: The region of feasible solutions is where all constraints (usually inequalities) are satisfied. These constraints are typically defined by lines or boundaries on the graph. The feasible region will be a polygon or possibly unbounded, depending on the graph.

  2. Find Corner Points: The maximum and minimum values of a linear objective function over a feasible region occur at the vertices (corner points) of the polygon. So, we need to determine the coordinates of these points by analyzing the intersections of the constraint lines.

  3. Evaluate the Objective Function: Once the corner points (vertices) are identified, substitute the coordinates of each vertex into the objective function z=1.50x+0.50yz = 1.50x + 0.50y.

  4. Compare Values: The largest value of zz at these corner points will be the maximum, and the smallest will be the minimum.

Answer Choices:

  • A: The maximum value exists, and it is located at specific coordinates.
  • B: The maximum does not exist if the feasible region is unbounded in the direction that maximizes zz.

To move forward, I need either:

  • The coordinates of the vertices from the graph or
  • A description of the feasible region, including any constraints or intersection points.

Once I have that information, I can help find the maximum value of z=1.50x+0.50yz = 1.50x + 0.50y and its location.

Would you like to provide the graph or the vertices of the feasible region?


Here are 5 follow-up questions you might find useful:

  1. What are the constraints that define the feasible region?
  2. Can you provide the coordinates of the vertices in the feasible region?
  3. Is the region bounded or unbounded?
  4. What method are you using to find the vertices, if any?
  5. Do you need assistance calculating the values of zz at each vertex?

Tip: The maximum or minimum of a linear objective function always occurs at one of the vertices of the feasible region.

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Math Problem Analysis

Mathematical Concepts

Linear Programming
Optimization
Objective Function
Feasible Region
Corner Point Theorem

Formulas

Objective Function: z = 1.50x + 0.50y
Linear Combination

Theorems

Corner Point Theorem: The maximum or minimum value of a linear function occurs at a vertex of the feasible region.

Suitable Grade Level

Grades 10-12