140Bmid1c - 1 Date: Tues Oct 9, 2007 MATH 140B Print NAME:...

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Unformatted text preview: 1 Date: Tues Oct 9, 2007 MATH 140B Print NAME: EXAMINATION 1 STUDENT NUMBER: FORM A There are 14 multiple choice questions each worth 5 points. The remaining 30 points are long answer questions on the last two pages. For each multiple choice answer, circle only one answer in your exam booklet and blacken the corresponding scantron sheet. The use of a calculator, cell phone, or any other electronic device is NOT permitted in this examination. The use of notes of any kind is NOT permitted during this exam. There are 16 problems on 10 numbered pages, including this cover page. 2 [ 5 ] 1. An organism receives injections of a drug (every hour) which decays between injections. The concentration, C ( t ) , after t hours is given by the function whose graph appears below. 1 2 3 4 5 t 0.05 0.10 0.15 0.20 C Which of the following 3 statements are true? i) lim t 3- C ( t ) = 0 . 2 ii) lim t 1 + C ( t ) = 0 . 1 . iii) C is continuous at all values of t in the interval (2 , 3) . A) i) only B) ii) only C) iii) only D) i) and iii) only E) None of the 3 statements are true. [ 5 ] 2. Compute the following: lim x 3 parenleftbigg x 2 2 x 3 x 3 parenrightbigg A) 3, B) 0, C) 1, D) 4, E) none of the answers listed. 3 [ 5 ] 3. Which of the following 3 limits are correct? i) lim x 1- parenleftbigg 3 x 1 parenrightbigg = + ii) lim x 1 + parenleftbigg 3 x 1 parenrightbigg = + iii) lim x 1 parenleftbigg 3 x 1 parenrightbigg = + A) i) only, B) ii) only, C) iii) only, D) i) and iii) only, E) none of the limits are correct....
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This note was uploaded on 03/30/2008 for the course MATH 140B taught by Professor Fabbri,marc during the Fall '07 term at Pennsylvania State University, University Park.

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140Bmid1c - 1 Date: Tues Oct 9, 2007 MATH 140B Print NAME:...

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