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# Warm-Up: February 13, 2013 - PowerPoint PPT Presentation

Warm-Up: February 13, 2013. Find the multiplier for 8% decay. Is f(x) = 300(0.5) -2x exponential growth or decay? Solve for x: log x 4 = (1/3) Write as a single logarithm: log 3 + log 2x – log 6. Homework Questions?. Solving Equations. Section 6.7. Essential Question.

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Warm-Up: February 13, 2013

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### Warm-Up: February 13, 2013

Find the multiplier for 8% decay.

Is f(x) = 300(0.5)-2x exponential growth or decay?

Solve for x: logx4 = (1/3)

Write as a single logarithm:

log 3 + log 2x – log 6

## Solving Equations

Section 6.7

### Essential Question

How can we use logarithms to solve equations?

3 ln x + 3 = 1

e-4x – 22 = 56

### Example 2: Page 407 #22

ln x + ln(x + 1) = ln 2

### You-Try #2: Page 407 #18

ln(x + 3) = 2 ln 4

### Assignments

Page 407 #9-25 odd

Logarithms Review Worksheet

### February 14, 2013

Pick up a worksheet.

Immediately begin working on it in your assigned seat.

### Work Time

You have the remainder of class to work on the review worksheet.