- 4)= 5

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Certainly! Here is the transcription and explanation suitable for an educational context:

---

**Problem Set: Logarithmic and Exponential Equations**

**Objective**: Solve and approximate solutions to the nearest thousandth.

**Problems**

1. **Solve the following equations**:

   a. \(\log_3(3x - 4) = 5\)
   
   - **Explanation**: Solve for \(x\) in the logarithmic equation. This involves converting the logarithmic form into an exponential form and solving for the variable.

   b. \(10^{-5x} = 76\)
   
   - **Explanation**: Solve for \(x\) by taking the logarithm of both sides to deal with the exponential expression.

   c. \(2 \cdot 5^x + 3 = 63\)
   
   - **Explanation**: Start by isolating the exponential term and then solve for \(x\) using logarithmic techniques.

   d. \(2 \log(5x) - 3 = 1\)
   
   - **Explanation**: Solve for \(x\) by first isolating the logarithmic expression and then solving the equation.

---

This problem set is designed to test students' understanding and ability to manipulate and solve logarithmic and exponential equations, providing a basis for understanding logarithmic scales and growth patterns.
Transcribed Image Text:Certainly! Here is the transcription and explanation suitable for an educational context: --- **Problem Set: Logarithmic and Exponential Equations** **Objective**: Solve and approximate solutions to the nearest thousandth. **Problems** 1. **Solve the following equations**: a. \(\log_3(3x - 4) = 5\) - **Explanation**: Solve for \(x\) in the logarithmic equation. This involves converting the logarithmic form into an exponential form and solving for the variable. b. \(10^{-5x} = 76\) - **Explanation**: Solve for \(x\) by taking the logarithm of both sides to deal with the exponential expression. c. \(2 \cdot 5^x + 3 = 63\) - **Explanation**: Start by isolating the exponential term and then solve for \(x\) using logarithmic techniques. d. \(2 \log(5x) - 3 = 1\) - **Explanation**: Solve for \(x\) by first isolating the logarithmic expression and then solving the equation. --- This problem set is designed to test students' understanding and ability to manipulate and solve logarithmic and exponential equations, providing a basis for understanding logarithmic scales and growth patterns.
Expert Solution
Step 1

Solution:

a.log3(3x-4)=5b.10-5x=76c.2.5x+3=63d.2 log(5x)-3=1

Properties:

y=logbx is equivalent to by=x

logxn=nlogx

log(10)=1

-

Step 2

a. log3(3x-4)=5     35=3x-4     243+4=3x     247/3=x      82.33=x

Step 3

b. 10-5x=76taking log on both sidelog(10-5x)=log 76-5xlog(10)=log76-5x=1.8808x=-0.376

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