Homework, Page 623

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Homework, Page 623. Match the inequality with its graph. State whether or not the boundary is included. 1. c. Boundary is included. . Homework, Page 623. Match the inequality with its graph. State whether or not the boundary is included. 5. e. Boundary is included. .

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Homework, Page 623

Match the inequality with its graph. State whether or not the boundary is included.

1.

c.

Boundary is included.

Homework, Page 623

Match the inequality with its graph. State whether or not the boundary is included.

5.

e.

Boundary is included.

Homework, Page 623

Graph the inequality. State the boundary of the region.

9.

Boundary:

Homework, Page 623

Graph the inequality. State the boundary of the region.

13.

Boundary:

Homework, Page 623

Solve the system of inequalities.

17.

Homework, Page 623

Solve the system of inequalities.

21.

Homework, Page 623

Solve the system of inequalities.

25.

Homework, Page 623

Write a system of inequalities whose solution is the region shaded in the given figure. All boundaries are included..

29.

Homework, Page 623

Find the minimum and maximum of the objective function, if they exist, subject to the constraints.

33.

Homework, Page 623

37. Pearson’s Metal mines two ores, R and S. The company extracts minerals A and B from each type of ore. It costs \$50 per ton to extract 80 lb of A and 160 lb of B from ore R. It costs \$60 per ton to extract 140 lb of A and 50 lb of B from ore S. Pearson’s must produce at least 4000 lb of A and 3200 lb of B. How much of each ore should be processed to minimize cost? What is the minimum cost?

Homework, Page 623

41. The graph of a linear inequality is a half-line. Justify your answer.

False, the graph of a linear inequality is a half-plane.

Homework, Page 623

Refer to the following linear programming problem.

45. Which of the following is not a corner point?

a. (0, 0)

b. (5, 0)

c. (0,4)

d. (3, 4)

e (3.6, 2.8)

Homework
• Homework Assignment #14
• Review Sections 2.4 – 2.8, 3.1 – 3.6, 7.1 – 7.5
• Page 626, Exercises: 1 – 81(EOO)
• Midterm Exam next time