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Unformatted text preview: Math 121 Precalculus NAME: Final Exam TA: December 9, 1999 Give complete explanations, not just answers, for full credit. Sketch any calculator graph you use including the axes with a scale. Give exact answers whenever possible; otherwise give answers accurate to 2 decimal places 1. Graph the function f ( x ) = 2 x + 3 5 x 4 , but first find the following (a) The zero(s) of f. (b) The yintercept of f. (c) The vertical asymptotes of f. (d) The end behavior asymptote of f. Show all the properties (a) through (d) on your graph. 2. a) A boat runs in a straight line for 4 km and then makes a 90 ◦ turn and goes for another 6 km. How far from its starting point is the boat? b) A boat runs in a straight line for 5 km and then makes a 45 ◦ turn and goes for another 6 km. How far from its starting point is the boat? 3. Find all solutions, real or complex, to the equation 5 x 3 + 3 x 2 x + 1 = 0. Give exact answers....
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This essay was uploaded on 04/09/2008 for the course HIST, ENG 10016 taught by Professor Alexanderwalser,krall during the Spring '08 term at Ill. Chicago.
 Spring '08
 AlexanderWalser,Krall

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