Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers. log 2 log2s-log29-글 10g2 O log2(9/r) - log2s log29 logzm + log2s log29 + log2r - lo825

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter5: Exponential And Logarithmic Functions
Section5.3: Logarithmic Functions And Their Graphs
Problem 132E
Question
100%
**Objective:** Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers.

Given Expression:
\[
\log_2 \left(\frac{9\sqrt{r}}{s}\right)
\]

**Options:**

a) \(\log_2 9 - \frac{1}{2} \log_2 r\)

b) \(\log_2 (9 \sqrt{r}) - \log_2 s\)

c) \(\log_2 9 + \frac{1}{2} \log_2 r - \log_2 s\)

d) \(\log_2 9 + \frac{1}{2} \log_2 r - \log_2 s\)

**Analysis:**
- Use the properties of logarithms to rewrite the expression as a sum and/or difference.
- Properties involved:
  1. \(\log_b \left(\frac{m}{n}\right) = \log_b m - \log_b n\)
  2. \(\log_b (mn) = \log_b m + \log_b n\)
  3. \(\log_b (m^n) = n \log_b m\)

**Correct Simplification:**  
The correct formatted expression is option **d**:
\[
\log_2 9 + \frac{1}{2} \log_2 r - \log_2 s
\]
Transcribed Image Text:**Objective:** Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers. Given Expression: \[ \log_2 \left(\frac{9\sqrt{r}}{s}\right) \] **Options:** a) \(\log_2 9 - \frac{1}{2} \log_2 r\) b) \(\log_2 (9 \sqrt{r}) - \log_2 s\) c) \(\log_2 9 + \frac{1}{2} \log_2 r - \log_2 s\) d) \(\log_2 9 + \frac{1}{2} \log_2 r - \log_2 s\) **Analysis:** - Use the properties of logarithms to rewrite the expression as a sum and/or difference. - Properties involved: 1. \(\log_b \left(\frac{m}{n}\right) = \log_b m - \log_b n\) 2. \(\log_b (mn) = \log_b m + \log_b n\) 3. \(\log_b (m^n) = n \log_b m\) **Correct Simplification:** The correct formatted expression is option **d**: \[ \log_2 9 + \frac{1}{2} \log_2 r - \log_2 s \]
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