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# cm9_a - MAC 1105 Module Test 9 Name MULTIPLE CHOICE Choose...

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MAC 1105 Module Test 9 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the equation. If necessary, round to thousandths. 1) 5e 2x + 5 = 20 A) - 1.807 B) - 2.200 C) 3.193 D) 7.500 Answer: A Objective: (3.3) Solve Exponential Equation Use a change of base formula to evaluate the given logarithm. Approximate to three decimal places. 2) log 6 (64.7) Objective: (3.3) Use Change of Base Formula to Evaluate Logarithm Solve the inequality. 3) 3 - x > 1 27 Objective: (3.3) Solve Exponential Inequality Use the properties of logarithms to evaluate the expression. 4) log a a 2 A) 1 B) a 2 C) 2log a a D) 2 Answer: D Objective: (3.3) Use Properties of Logarithms to Evaluate Expression Solve the problem. 5) At the end of t years, the future value of an investment of \$7000 in an account that pays 7% APR compounded monthly is S = 7000 1 + 0.07 12 12t dollars. Assuming no withdrawals or additional deposits, how long will it take for the investment to reach \$21,000? Round to three decimal places.

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