Math Problem Statement
Solution
Let's work through each of the functions in the image to find their inverses step by step.
1.
To find the inverse:
- Replace with :
- Swap and (since we're finding the inverse):
- Solve for :
- Multiply both sides by :
- Expand:
- Group all terms involving on one side:
- Factor out on the left:
- Divide both sides by :
- Multiply both sides by :
So, the inverse is:
2.
To find the inverse:
- Replace with :
- Swap and :
- Solve for :
- Subtract 3 from both sides:
- Divide by 4:
- Add 5 to both sides:
- Subtract 3 from both sides:
So, the inverse is:
3.
To find the inverse:
- Replace with :
- Swap and :
- Solve for :
- Divide by 6:
- Square both sides:
- Add 9 to both sides:
- Divide by 6:
So, the inverse is:
4.
To find the inverse:
- Replace with :
- Swap and :
- Solve for :
- Multiply both sides by :
- Group all terms involving on one side:
- Factor out on the left:
- Divide both sides by :
- Multiply both sides by :
So, the inverse is:
5.
This simplifies to:
To find the inverse:
- Replace with :
- Swap and :
- Solve for :
So, the inverse is:
Would you like more details on any specific step or function?
5 Related Questions:
- How do you verify if a function and its inverse are correct?
- Can any function have an inverse?
- How does the domain and range of a function relate to its inverse?
- What are common types of functions that require extra steps to find the inverse?
- Why is it important to understand inverses in algebra and calculus?
Tip:
To check if two functions are inverses of each other, compose them () and see if the result is .
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Math Problem Analysis
Mathematical Concepts
Inverse functions
Algebra
Rational functions
Radical functions
Formulas
g(x) = (x - 5) / (x + 4)
f(x) = 4(x - 5) + 3
f(x) = 6√(x - 9)
h(x) = (2x - 1) / x
m(x) = x - 4
Theorems
To find the inverse, swap x and y and solve for y.
For rational functions, multiply through to eliminate fractions.
For radical functions, square both sides to eliminate the square root.
Suitable Grade Level
Grade 10-12