Which of the following statements match the indefinite integral S(3ª) dx? 3² ○ (3²) dx = 3 +C In Of(3²) dx = = 3² In 3 +C ○ (3²) dx = 3ª + C Of(3²) dx = 3 +C

Calculus: Early Transcendentals
8th Edition
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Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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### Integral Practice Problem

**Question:** Which of the following statements match the indefinite integral \( \int \left(3^x\right) \, dx \)?

#### Options:
1. \( \int \left(3^x\right) \, dx = \dfrac{3^x}{\ln 3} + C \)
2. \( \int \left(3^x\right) \, dx = -\dfrac{3^x}{\ln 3} + C \)
3. \( \int \left(3^x\right) \, dx = 3^x + C \)
4. \( \int \left(3^x\right) \, dx = \dfrac{3^x}{3} + C \)

**Explanation:**

When integrating an exponential function \(a^x\), the formula used is:
\[
\int a^x \, dx = \dfrac{a^x}{\ln a} + C
\]

For the given problem, where \(a = 3\), the integral becomes:
\[
\int 3^x \, dx = \dfrac{3^x}{\ln 3} + C
\]

Thus, the correct statement is:
\[
\int \left(3^x\right) \, dx = \dfrac{3^x}{\ln 3} + C
\]

**Answer:** The first option is correct.
Transcribed Image Text:### Integral Practice Problem **Question:** Which of the following statements match the indefinite integral \( \int \left(3^x\right) \, dx \)? #### Options: 1. \( \int \left(3^x\right) \, dx = \dfrac{3^x}{\ln 3} + C \) 2. \( \int \left(3^x\right) \, dx = -\dfrac{3^x}{\ln 3} + C \) 3. \( \int \left(3^x\right) \, dx = 3^x + C \) 4. \( \int \left(3^x\right) \, dx = \dfrac{3^x}{3} + C \) **Explanation:** When integrating an exponential function \(a^x\), the formula used is: \[ \int a^x \, dx = \dfrac{a^x}{\ln a} + C \] For the given problem, where \(a = 3\), the integral becomes: \[ \int 3^x \, dx = \dfrac{3^x}{\ln 3} + C \] Thus, the correct statement is: \[ \int \left(3^x\right) \, dx = \dfrac{3^x}{\ln 3} + C \] **Answer:** The first option is correct.
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