Math Problem Statement

Find the inverse of each function. Then graph the function and its inverse.

Solution

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Please hold on for a moment while I process the image.The image contains a math problem that involves finding the inverse of given functions and then graphing both the function and its inverse.

From what I can read:

  1. The function provided is f(x)=12x+5f(x) = \frac{1}{2}x + 5.
  2. The task is to find the inverse of this function, denoted as f1(x)f^{-1}(x), and then graph both the function and its inverse.

To find the inverse of the function:

  1. Start by replacing f(x)f(x) with yy: y=12x+5y = \frac{1}{2}x + 5

  2. Swap xx and yy to find the inverse: x=12y+5x = \frac{1}{2}y + 5

  3. Solve for yy: x5=12yx - 5 = \frac{1}{2}y y=2(x5)y = 2(x - 5) y=2x10y = 2x - 10

So, the inverse function is: f1(x)=2x10f^{-1}(x) = 2x - 10

Graphing

The graph of the original function f(x)=12x+5f(x) = \frac{1}{2}x + 5 is a straight line with a slope of 12\frac{1}{2} and a y-intercept of 5.

The

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Math Problem Analysis

Mathematical Concepts

Inverse Functions
Graphing
Algebra

Formulas

f(x) = (1/2)x + 5
f^-1(x) = 2x - 10

Theorems

Inverse Function Theorem

Suitable Grade Level

Grades 9-11