Evaluate the given logarithm.
Table of contents
- 0. Functions4h 53m
- 1. Limits and Continuity2h 2m
- 2. Intro to Derivatives1h 33m
- 3. Techniques of Differentiation2h 18m
- 4. Derivatives of Exponential & Logarithmic Functions1h 16m
- 5. Applications of Derivatives2h 19m
- 6. Graphical Applications of Derivatives6h 0m
- 7. Antiderivatives & Indefinite Integrals48m
- 8. Definite Integrals4h 36m
- 9. Graphical Applications of Integrals1h 43m
- 10. Integrals of Inverse, Exponential, & Logarithmic Functions21m
- 11. Techniques of Integration2h 7m
- 12. Trigonometric Functions6h 54m
- Angles29m
- Trigonometric Functions on Right Triangles1h 8m
- Solving Right Triangles23m
- Trigonometric Functions on the Unit Circle1h 19m
- Graphs of Sine & Cosine46m
- Graphs of Other Trigonometric Functions32m
- Trigonometric Identities52m
- Derivatives of Trig Functions42m
- Integrals of Basic Trig Functions28m
- Integrals of Other Trig Functions10m
- 13: Intro to Differential Equations2h 23m
- 14. Sequences & Series2h 8m
- 15. Power Series2h 19m
- 16. Probability & Calculus45m
0. Functions
Properties of Logarithms
Multiple Choice
Write the single logarithm as a sum or difference of logs.
log5(x35(2x+3)2)
A
5+2log5(2x+3)−log53x
B
2log5(2x+3)−3log5x
C
1+2log5(2x+3)−3log5x
D
log5(2x+3)−log5x
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Verified step by step guidance1
Step 1: Start with the given logarithmic expression: log_5((5(2x+3)^2)/(x^3)). Use the logarithmic property log_b(A/B) = log_b(A) - log_b(B) to split the numerator and denominator. This gives log_5(5(2x+3)^2) - log_5(x^3).
Step 2: Focus on the first term, log_5(5(2x+3)^2). Use the logarithmic property log_b(A * B) = log_b(A) + log_b(B) to separate the product. This results in log_5(5) + log_5((2x+3)^2).
Step 3: Simplify log_5(5). Since log_b(b) = 1 for any base b, log_5(5) simplifies to 1. Now the expression becomes 1 + log_5((2x+3)^2).
Step 4: Apply the logarithmic power rule log_b(A^n) = n * log_b(A) to log_5((2x+3)^2). This simplifies to 1 + 2 * log_5(2x+3).
Step 5: Simplify the second term, -log_5(x^3), using the power rule. This becomes -3 * log_5(x). Combine all terms to get the final expression: 1 + 2 * log_5(2x+3) - 3 * log_5(x).
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