Pregunta
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If a function is translated 9 units to the left, in which direction will the inverse of the function be transformed? (1 point) The inverse of the given function will be translated 9 units down. The inverse of the given function will be translated 9 units up. The inverse of the given function will be translated 9 units to the left. The inverse of the given function will be translated 9 units to the right.

Ask by Tyler Martin. in the United States
Jan 23,2025

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The inverse of the given function will be translated 9 units to the right.

Solución

To determine how the inverse of a function is transformed when the original function is translated, we need to understand the relationship between a function and its inverse. 1. **Translation of the Function**: When a function \( f(x) \) is translated 9 units to the left, the new function can be expressed as \( f(x + 9) \). 2. **Finding the Inverse**: The inverse function \( f^{-1}(y) \) essentially swaps the roles of \( x \) and \( y \). If we have \( y = f(x) \), then the inverse is defined by \( x = f^{-1}(y) \). 3. **Effect on the Inverse**: If the original function \( f(x) \) is translated to \( f(x + 9) \), we can express the inverse of the translated function. The new function can be represented as: \[ y = f(x + 9) \] To find the inverse, we swap \( x \) and \( y \): \[ x = f(y + 9) \] Solving for \( y \) gives us the inverse of the translated function. 4. **Conclusion**: The transformation indicates that the inverse function will be translated 9 units to the right. Thus, the correct answer is: **The inverse of the given function will be translated 9 units to the right.**

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The Deep Dive

When a function is translated 9 units to the left, the inputs (or x-values) are increased by 9 to maintain the same output. This means when you find the inverse, you effectively swap the x and y values of the function, which results in translating the inverse 9 units to the right. It’s like a dance move; when one partner shifts left, the other glides right to keep the rhythm going! In the context of function transformations, remember that translating a function affects its inverse in seemingly opposite ways. So, if you move the original function to the left, its inverse moves to the right! Keeping track of these movements is essential for mastering function transformations and their inverses.

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