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123 F07 Test 3 Review Sheet

# 123 F07 Test 3 Review Sheet - Math 123 Finite Mathematics...

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Math 123 Finite Mathematics Test 3 Review Sheet FALL 2007 Michael A. Unseren, Instructor Test 3 Date: Friday Nov. 9, 2007 (closed book, closed note, calculator permitted (no TI-89 calculators and no sharing of calculators permitted) Bring a ruler or straightedge to the exam (to neatly graph boundary equations and feasible regions.)! Also, bring pens/pencils of varying colors to clearly distinguish between the graphs of boundary equations drawn on the same set of axes. Essential Concepts for Success on Test 3: Section 3.6 Who was Wassily Leontief and what did he accomplish? Leontief “Open” Input-Output Models What is the difference between an open model and a closed model (pg 227) What does the number on an arrow in a Leontief Model signify. See bottom on page 227 Given a Leontief model with two or three sectors, be able to define the variables x_1, x_2, …, y_1, y_2,… set up the X and Y column matrices and the technology matrix. Given a word description of a problem, find the Leontief graphical model and mathematical

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123 F07 Test 3 Review Sheet - Math 123 Finite Mathematics...

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