Math Problem Statement
Solution
The image asks to find the inverse of the following functions:
a.
To find the inverse, follow these steps:
- Replace with :
- Swap and :
- Square both sides:
- Solve for :
Thus, the inverse is:
b.
- Replace with :
- Swap and :
- Cube both sides:
- Solve for :
Thus, the inverse is:
c.
- Replace with :
- Swap and :
- Cross-multiply:
- Expand both sides:
- Collect all terms involving on one side:
- Solve for :
Thus, the inverse is:
d.
- Replace with :
- Multiply both sides by 5:
- Expand:
- Solve for :
Thus, the inverse is:
Would you like more details or explanations on any of the steps?
Here are 5 related questions:
- What is the general process for finding the inverse of a function?
- How do we know if a function has an inverse?
- What are the properties of an inverse function?
- How do you check if your inverse function is correct?
- Can all functions be inverted? Why or why not?
Tip: When finding an inverse function, swapping and is the key first step in solving for the inverse.
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Math Problem Analysis
Mathematical Concepts
Inverse Functions
Algebra
Radicals
Rational Functions
Formulas
For inverse: Swap x and y, then solve for y
F(x) = sqrt(x + 6) -> F^-1(x) = x^2 - 6
F(x) = cuberoot(2x - 6) -> F^-1(x) = (x^3 + 6) / 2
F(x) = (-4x + 2) / (2x + 5) -> F^-1(x) = (2 - 5x) / (2x + 4)
F(x) = 3/5(2x + 3) -> F^-1(x) = (5x - 9) / 6
Theorems
Inverse Function Theorem
Suitable Grade Level
Grades 9-12
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