1432EMCF 07key - 8. Write the equation of the circle with...

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EMCF 07 Due 9/30 at 2:00 pm Log into CourseWare at http://www.casa.uh.edu and access the answer sheet by clicking on the EMCF tab. NOTE: On all problems, choice F is “None of the above”. 1. ( 29 = - + - - 2 2 dx dx x 4x 1 x 2 3 . A. True B. False 2. = - + - + 2 2 1 dx dx dx dx 9 x 2 x 9x 2 x . A. True B. False 3. Find the partial fraction decomposition of - - 2 3x 2 x x . A. + - 1 2 x 1 x B. + - 2 1 x 1 x C. + - 3 2 x 1 x D. + - 2 3 x 1 x E. + - 2 2 x 1 x 4. An exponential decay model = kt y Ce used to find the half-life of a substance always uses – 0.5 for k. A. True B. False
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5. If y(0) = 20 and a substance grows at a rate of 3%, a model for this situation is y = 20(0.03) t . A. True B. False 6. Find the exact value of 2 2 1 3 cot π + . A. 2 B. 4 3 C. 2 D. 2 3 E. 0 7. Find all solutions of the equation 1 2x 6 2 cos π + = in the interval [ ] 0 2 , π . Give exact values, expressed in radians. A. 13 12 12 , π π B. 3 12 4 , π π C. 3 7 4 4 , π π D. 13 3 7 12 12 4 4 , , , π π π π E. 930.10, 1001.10
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Unformatted text preview: 8. Write the equation of the circle with center (–1, 2) and radius 9. A. ( 29 ( 29 2 2 x 1 y 2 81 + +-= B. ( 29 ( 29 2 2 x 1 y 2 9 + +-= C. ( 29 ( 29 2 2 x 1 y 2 3 + +-= D. ( 29 ( 29 2 2 x 1 y 2 81-+ + = E. ( 29 ( 29-+ + = 2 2 x 1 y 2 9 9. Write the partial fraction decomposition of 2 1 81 – 25 x . A. 1 9 9 10 9 – 5 9 + 5 x x x x-- - B. 2 1 1 25 81 x-C. 1 1 1 10 9 – 5 9 + 5 x x - D. 1 1 1 5 9 + 5 9 – 5 x x - E. 1 1 1 5 9 – 5 9 + 5 x x - 10. At what point on the graph of 2 1 y x 2 = is the tangent line parallel to the line 2x – 4y = 3? A. 1 1 2 2 , - B. 1 1 2 8 , C. 1 1 4 , - D. 1 1 2 , E. ( 29 2 2 ,...
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This note was uploaded on 03/06/2011 for the course MATH 1432 taught by Professor Morgan during the Spring '08 term at University of Houston.

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1432EMCF 07key - 8. Write the equation of the circle with...

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