Math Problem Statement

Find the inverse of m(x) = -4x + 1

Solution

To find the inverse of the function m(x)=4x+1m(x) = -4x + 1, we follow these steps:

  1. Replace m(x)m(x) with yy: y=4x+1y = -4x + 1

  2. Swap xx and yy to solve for the inverse: x=4y+1x = -4y + 1

  3. Solve for yy: x1=4yx - 1 = -4y y=x14y = \frac{x - 1}{-4} y=x14y = -\frac{x - 1}{4}

  4. Therefore, the inverse function is: m1(x)=x14m^{-1}(x) = -\frac{x - 1}{4}

Would you like further explanation or have any questions on this?

Here are five related questions:

  1. What are the steps to verify if two functions are inverses?
  2. How can we find the domain and range of the inverse function?
  3. What is the graphical relationship between a function and its inverse?
  4. How does the slope of a linear function affect its inverse?
  5. Can a quadratic function have an inverse?

Tip: To quickly check if two functions are inverses, compose them (i.e., f(f1(x))f(f^{-1}(x)) and f1(f(x))f^{-1}(f(x))) and see if the result is xx.

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Math Problem Analysis

Mathematical Concepts

Inverse Functions
Linear Equations

Formulas

y = -4x + 1
x = -4y + 1
y = -(x - 1) / 4

Theorems

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Suitable Grade Level

Grades 9-11