Lecture 4.4 bt

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Transcript of Lecture 4.4 bt

Page 1: Lecture 4.4 bt

Today’s Agenda

Attendance / Announcements

Section 4.4

Quiz on Tuesday

Exam 3 (Chapter 4)

Fri 11/1

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Solving Exponential Equations

6322 xx 644 92x 52328 xx

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Solving Logarithmic Equations

07log15log xx

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But these “one-to-one” equivalent

properties won’t always work….

254x

We will need to apply the “inverse” properties of logs and exponentials

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Method #1

254x

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Method #2

254x

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Solving Exponential Equations

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Solving Exponential Equations

42)2(3 x234 2xe

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Solving Exponential Equations213 34 xx

4318 2x

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Solving Logarithmic Equations

We can think of the inverse of logs as “exponentiating” both sides

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Solving Logarithmic Equations

34log2 x2log x

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Solving Logarithmic Equations

43log2 5 x 1.23ln x

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Solving Logarithmic Equations

2ln112ln xx

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Solving Logarithmic Equations

26log6log xx

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Classwork / Homework

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