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3.4 Solving Exponential and Logarithmic Equations

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In General 1)If you start with an exponential equation you rewrite in log form or you take the log of both sides 2)If you start with a log equation you rewrite in exponential form. In both cases, use your properties to solve

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Solving Exponential Equations

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Solving Logarithmic Equations

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Doubling an Investment You have deposited $500 in an account that pays 6.75% interest, compounded continuously. How long will it take you money to double?

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Average Salary for Public School Teachers For selected years from 1985 to 2004, the average salary y (in thousands of dollars) for public school teachers for the year t can be modeled by the equation y=-1.562 + 14.584 ln t, 5≤t≤24. where t =5 represents 1985. During which year did the average salary for public school teachers reach $44,000?

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Homework Page 221 – 224 18-28 even, 29-37 odd, 45-69 odd, 86-104 even, 131, 137

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