Math Problem Statement

write the equation for the inverse function (solved for y). f(x)=0.5x+1

Solution

To find the inverse of the function f(x)=0.5x+1f(x) = 0.5x + 1, follow these steps:

  1. Replace f(x)f(x) with yy: y=0.5x+1y = 0.5x + 1

  2. Swap xx and yy to find the inverse: x=0.5y+1x = 0.5y + 1

  3. Solve for yy to find the inverse function: x1=0.5yx - 1 = 0.5y y=2(x1)y = 2(x - 1) y=2x2y = 2x - 2

So, the equation for the inverse function is: f1(x)=2x2f^{-1}(x) = 2x - 2

Would you like more details on any step or have any further questions?

Here are some related questions:

  1. How do you verify that two functions are inverses of each other?
  2. What is the graphical interpretation of an inverse function?
  3. How do you find the inverse of a quadratic function?
  4. How do you determine if a function is invertible?
  5. How does the domain and range change when finding the inverse of a function?

Tip: The graph of a function and its inverse are reflections of each other across the line y=xy = x.

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Math Problem Analysis

Mathematical Concepts

Algebra
Functions
Inverse Functions

Formulas

Inverse function formula f^{-1}(x)

Theorems

Inverse Function Theorem

Suitable Grade Level

Grades 9-11