Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN: 9781285741550
Author: James Stewart
Publisher: Cengage Learning
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### Inverse Function Derivative Calculation

To calculate the derivative of the inverse function \((f^{-1})'(a)\) using the provided values, follow these steps.

Given values:
\[ f(-3) = -1, \quad f'(-3) = -2, \quad a = -1 \]

To find:
\[ (f^{-1})'(a) \]

### Calculation:
Use the formula for the derivative of the inverse function:
\[ \left( f^{-1} \right)'(a) = \frac{1}{f'\left( f^{-1}(a) \right)} \]

Since \( f^{-1}(-1) = -3 \):
\[ f(-3) = -1 \]

We are given:
\[ f'(-3) = -2 \]

Thus,
\[ (f^{-1})'(-1) = \frac{1}{-2} = -\frac{1}{2} \]

### Answer:
\[ (f^{-1})'(-1) = -\frac{1}{2} \]

### Interactive Section:
Enter your answer below and press 'Preview' to check:

\[ (f^{-1})'(a) \, = \, \text{[  ]} \, \text{Preview} \]

#### TIP:
- Enter your answer as a number (like \( 5, -3, 2.2172 \)) or as a calculation (like \( \frac{5}{3}, 2^3, 5+4 \))
- Enter DNE for Does Not Exist, \( \infty \) for Infinity
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Transcribed Image Text:### Inverse Function Derivative Calculation To calculate the derivative of the inverse function \((f^{-1})'(a)\) using the provided values, follow these steps. Given values: \[ f(-3) = -1, \quad f'(-3) = -2, \quad a = -1 \] To find: \[ (f^{-1})'(a) \] ### Calculation: Use the formula for the derivative of the inverse function: \[ \left( f^{-1} \right)'(a) = \frac{1}{f'\left( f^{-1}(a) \right)} \] Since \( f^{-1}(-1) = -3 \): \[ f(-3) = -1 \] We are given: \[ f'(-3) = -2 \] Thus, \[ (f^{-1})'(-1) = \frac{1}{-2} = -\frac{1}{2} \] ### Answer: \[ (f^{-1})'(-1) = -\frac{1}{2} \] ### Interactive Section: Enter your answer below and press 'Preview' to check: \[ (f^{-1})'(a) \, = \, \text{[ ]} \, \text{Preview} \] #### TIP: - Enter your answer as a number (like \( 5, -3, 2.2172 \)) or as a calculation (like \( \frac{5}{3}, 2^3, 5+4 \)) - Enter DNE for Does Not Exist, \( \infty \) for Infinity
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