# Test3B - Test 3B for Calculus I from North Carolina State...

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MA141-001 Test 3 B March 29, 2010 Amanda Smith North Carolina State University Department of Mathematics Please put all work in the stamped blue book that has been provided. Nothing on this test sheet will be graded. Please put one problem on each page; you are allowed to use the back of the sheet as a new page. No calculators, formula sheets, or other aids are permitted. Please show all of your work. Simplify all solutions completely and clearly indicate your answers. Write your name on both the blue book and this test sheet. Do ONE of the following two problems. Clearly indicate which problem you are choosing. 1. [30 pts. ] A man starts walking north at 3 ft/s from a point P . Five seconds later, a woman starts riding her bike east at a rate of 21 ft/s from a point 500 ft due east of P . (a) Draw a diagram and label the unknowns. (b) At what rate are the people moving apart 15 seconds after the woman starts riding her bike? 2. [30

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## This note was uploaded on 05/17/2010 for the course MATH 141 taught by Professor Amandasmith during the Spring '10 term at University of North Carolina School of the Arts.

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Test3B - Test 3B for Calculus I from North Carolina State...

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