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Exam 3 - Spring 2005

# Exam 3 - Spring 2005 - College Algebra Exam#3 Spring 2005...

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Spring 2005 Name _________________________________ You must show all work on this paper to receive credit. Solutions without correct supporting work will not be accepted. All answers must be exact unless indicated otherwise. You must omit one problem by clearly writing “OMIT” by the problem. If you do not omit a problem, I will omit the last one for you. When you omit one part of a problem, you have omitted the entire problem. 1. a. Use your calculator to approximate 12 log 3 to 4 decimal places. b. Solve using the manual method of your choice. 50 10 25 2 5 2 2 2 2 = + = - y x y x 2. a. Write the expression as the logarithm of a single quantity. z y x ln ln 4 1 ln 2 + - b. Suppose \$10,000 is invested at interest rate k, compounded continuously, and grows to \$13668.38 in 5 years. Find the interest rate algebraically . Show all your work. Round your answer to the nearest one hundredth of a percent. 3.

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Exam 3 - Spring 2005 - College Algebra Exam#3 Spring 2005...

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