Math Problem Statement

Solve the following linear program graphically: Maximize P = 4x1 + 1x2 subject to the following constraints: 2x1 + 4x2 ≤ 24 (Resource A), 6x1 + 3x2 ≤ 36 (Resource B), x1 ≤ 5 (Resource C), 2x2 ≤ 10 (Resource D), where x1, x2 ≥ 0.

Solution

The problem you've uploaded is a linear programming (LP) problem with two variables x1x_1 and x2x_2. You are asked to solve it graphically.

Objective Function:

Maximize P=4x1+1x2P = 4x_1 + 1x_2

Constraints:

  1. 2x1+4x2242x_1 + 4x_2 \leq 24 (Resource A)
  2. 6x1+3x2366x_1 + 3x_2 \leq 36 (Resource B)
  3. x15x_1 \leq 5 (Resource C)
  4. 2x2102x_2 \leq 10 (Resource D)
  5. x1,x20x_1, x_2 \geq 0 (Non-negativity constraints)

Steps to Solve Graphically:

  1. Plot the constraints:

    • Each inequality represents a line on the graph, and the feasible region is the intersection of the half-planes defined by these inequalities.
  2. Determine the feasible region:

    • Identify where all the constraints overlap. This is the set of all points that satisfy all inequalities simultaneously.
  3. Find the corner points:

    • The maximum (or minimum) of the objective function in a linear program occurs at a corner point (vertex) of the feasible region.
  4. Evaluate the objective function at each corner point:

    • Once the corner points are identified, substitute them into the objective function P=4x1+1x2P = 4x_1 + 1x_2 to find the value of PP at each corner.
  5. Select the maximum value:

    • The maximum value of PP at any of the corner points is the solution to the linear programming problem.

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Math Problem Analysis

Mathematical Concepts

Linear Programming
Inequalities
Graphical Method for Linear Optimization

Formulas

Objective Function: P = 4x1 + 1x2
Constraints: 2x1 + 4x2 ≤ 24, 6x1 + 3x2 ≤ 36, x1 ≤ 5, 2x2 ≤ 10

Theorems

Fundamental Theorem of Linear Programming: The optimal solution occurs at a vertex of the feasible region

Suitable Grade Level

College-level or Advanced High School (Grades 11-12)