Math Problem Statement
Solution
In the image, you're working on matching functions with their inverses. To find the inverse of a function , we typically swap and in the equation for , and solve for , which becomes the inverse function .
Let's start by analyzing one example and follow this process:
- Consider :
- First, rewrite this as .
- Swap and : .
- Now solve for :
- Multiply both sides by : .
- Distribute : .
- Get all terms involving on one side: .
- Factor out : .
- Solve for : .
So, the inverse of is .
Now, using this approach, you can match the rest of the functions with their inverses by following similar steps.
Would you like a detailed solution for each pair of functions? Feel free to ask!
Here are five questions to help reinforce this topic:
- What are the key steps for finding the inverse of a rational function?
- How can you verify that two functions are inverses of each other?
- Why do we switch and when finding the inverse of a function?
- What are common mistakes to avoid when finding inverses of more complex functions?
- How do you determine the domain and range of an inverse function?
Tip: When solving for the inverse, make sure to carefully handle any terms that involve both and on the same side of the equation!
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Math Problem Analysis
Mathematical Concepts
Inverse functions
Rational functions
Algebra
Formulas
If f(x) = (2x - 1) / (x + 2), then the inverse f^{-1}(x) = (-1 - 2x) / (x - 2)
Theorems
Inverse Function Theorem: f(f^{-1}(x)) = x and f^{-1}(f(x)) = x
Suitable Grade Level
Grades 9-12