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161E2-F05 - MA 161 EXAM II Fall 2005 Name tendigit Student...

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MA 161 EXAM II Fall 2005 Name ten–digit Student ID number Division and Section Numbers Recitation Instructor Instructions: 1. Fill in all the information requested above and on the scantron sheet. 2. This booklet contains 14 problems, each worth 7 points. You get 2 points if you fully comply with instruction 1. The maximum score is 100 points. 3. For each problem mark your answer on the scantron sheet and also circle it in this booklet. 4. Work only on the pages of this booklet. 5. Books, notes, calculators are not to be used on this test. 6. At the end turn in your exam and scantron sheet to your recitation instructor. 1
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1. If f ( x ) = x 2 - 2 x x then f 0 (4) = a. 9 8 b. 5 4 c. 7 8 d. - 5 8 e. - 3 4 2. If g ( x ) = ax + b cx + d then g 0 (1) = a. a + b - c - d c + d b. ad - bc ( c + d ) 2 c. a + b - c - d ( c + d ) 2 d. ad + bc c + d e. ad + bc ( c + d ) 2 2
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3. A box with no top has width twice its height and length four times its height. The material for the sides costs $6/in 2 and for the base $4/in 2 .
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