Math1313-FinalReview-S10

# Math1313-FinalReview-S10 - 1 Math 1313 Final Review Final...

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1 Math 1313 Final Review Final Review for Finite 1. Find the equation of the line containing the points ) 2 , 1 ( - and ( 29 3 , 2 . 2. The Ace Company installed a new machine in one of its factories at a cost of \$20,000. The machine is depreciated linearly over 10 years with a scrap value of \$2,000. Find the value of the machine after 5 years. 3. The AC Florist Company got a new delivery van at a cost of \$28,000. The van is depreciated linearly over 5 years and has no scrap value. Find the value of the machine after 2 years. 4. A manufacturer has a monthly fixed cost of \$1200 and a production cost of \$2.50 for each unit produced. The product sells for \$10 per unit. a. What is the cost function? b. What is the revenue function? c. What is the profit function? d. What is the break- even point? 5. Solve using Gauss-Jordan. 11 2 3 2 5 5 = + + + + + + = + + + - = + + + - z y x z y z y x

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2 Math 1313 Final Review 6. The following matrix in row reduced form. Give the solution, if it exists to the system of equations: a. - 6 1 0 0 1 0 1 0 2 0 0 1 b. 0 0 0 0 0 0 1 0 2 0 0 1 c. - 4 0 0 0 3 0 1 0 1 0 0 1 7. Solve for a, b, c and d in the Matrix equation. - = - - - 4 2 3 4 6 5 1 2 d c b a 8. Find the transpose of matrix A. a. - = 4 0 1 2 3 2 A b. - = 4 2 1 3 1 0 1 2 2 A 9. Let - = 0 2 1 2 1 0 1 1 A and - = 2 1 0 1 1 2 B . Find AB. 10. Let - = 2 1 0 1 1 2 A and - - = 1 0 3 2 1 1 B . Find AB.
3 Math 1313 Final Review 11. Find the inverse of the 2 X 2 matrix - 6 4 3 5 12. A manufacturer of stereo speakers, makes two kinds of speakers, an economy model which sells

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## This note was uploaded on 08/30/2010 for the course MATH Math 1313 taught by Professor Abdelnourahmed-zaid during the Spring '10 term at University of Houston.

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Math1313-FinalReview-S10 - 1 Math 1313 Final Review Final...

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