Hw9-23 - (c f x = x 2 sin x 5 If f x =-x 2 bx c has a horizontal tangent at the point-2 7 what are b and c 6 From the Online Textbook Section 3.2

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Math 170-007 Homework 9/23 Fall 2010 1. From the Online Textbook, Section 3.1: 1-6, all. 2. From Schaum’s Outline , Chapter 10: 27-31 all. 3. From the Online Textbook, Section 3.2: 1, 2, 3, 4, 5, 7 and 8. 4. For each of the following functions, locate all x -coordinates where there is a horizontal tangent. (a) f ( x ) = x 3 - 3 x 2 + x - 10. (b) f ( x ) = 3 e x - 5 x + 2.
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Unformatted text preview: (c) f ( x ) = x + 2 sin x . 5. If f ( x ) =-x 2 + bx + c has a horizontal tangent at the point (-2 , 7), what are b and c ? 6. From the Online Textbook, Section 3.2: Problem 13. Hints and Answers 4. (a) 1 ± r 2 / 3. (b) ln(5 / 3). (c) 2 π/ 3 + 2 kπ and-2 π/ 3 + 2 kπ . 5. b =-4 and c = 3. 1...
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This note was uploaded on 10/11/2011 for the course MATH 170 taught by Professor Staff during the Spring '08 term at Boise State.

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