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Unformatted text preview: polynomial. = + 2 8 6. [10] A person invests $1000 in an account that pays 2% interest per year, compounded continuously. a) What is the accumulated amount after 3 years? b) How long will it take for the amount to be $3000? 7. [5] Solve the logarithmic equation for x: log G 1 log G 1 = 2 8. [10] Assume in a triangle ABC, a = 75, b = 100 and A = 30. Solve for other parameters of the triangle. (Find other angles and side.) 9. [5] Simplify the trigonometric expression completely. sec cos tan 10. [10] Prove the identity: 1 tan1 cot = 2 sec csc 11. [10] Using Gaussian or GaussJordan elimination, solve the system of equations. (show your steps clearly to get partial credits) g 2G + = 1 y + 2z = 5 x + y + 3z = 8 12. [10] Calculate the products AB and BA to verify that B is the inverse of A. = 1 3 1 1 4 1 3 2 = 8 3 4 2 1 1 1 1...
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 Summer '08
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 Math, Calculus, PreCalculus

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