Math Problem Statement

Write the transformation of f(x) to g(x) then write the equation g(x) in terms of f(x)=x

Write the transformation of f(x) to g(x) then write the equation g(x) in terms of f(x)=x

Solution

To analyze the transformation of f(x)f(x) to g(x)g(x) from the provided graph, we need to compare the two functions visually.

Step-by-Step Analysis:

  1. f(x)f(x) is a V-shaped function, suggesting it is an absolute value function. From the graph, f(x)f(x) seems to be f(x)=xf(x) = |x|, which creates the characteristic "V" shape.

  2. g(x)g(x) appears to be a transformation of f(x)f(x), specifically a reflection and a translation:

    • It is reflected across the x-axis (since the slope of g(x)g(x) is downward).
    • There is a vertical translation downwards, and the function seems to be shifted down by 6 units.

General Transformation:

The transformation from f(x)f(x) to g(x)g(x) involves:

  • A reflection across the x-axis.
  • A vertical translation downward by 6 units.

Thus, the equation for g(x)g(x) in terms of f(x)f(x) is: g(x)=f(x)6g(x) = -f(x) - 6 Since f(x)=xf(x) = |x|, the equation of g(x)g(x) becomes: g(x)=x6g(x) = -|x| - 6

This means that:

  • The reflection is represented by the negative sign.
  • The shift downward by 6 units is captured by subtracting 6.

Summary:

  • The function f(x)=xf(x) = |x| has been reflected over the x-axis and translated downward by 6 units to form g(x)g(x).
  • The equation for g(x)g(x) in terms of f(x)=xf(x) = |x| is g(x)=x6g(x) = -|x| - 6.

Do you need any further details or have any questions?

Here are 5 related questions to further explore:

  1. What is the general form of a vertical translation and reflection in function transformations?
  2. How would the graph change if g(x)g(x) had been shifted upward instead of downward?
  3. What happens to the function if f(x)=xf(x) = |x| is shifted horizontally?
  4. How can you derive the vertex of an absolute value function from its equation?
  5. How would you reflect f(x)f(x) over the y-axis instead of the x-axis?

Tip: When analyzing transformations, always look for reflections, translations, stretches, and compressions to see how they affect the graph visually.

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Math Problem Analysis

Mathematical Concepts

Function Transformations
Absolute Value Functions
Reflections
Translations

Formulas

g(x) = -f(x) - 6
f(x) = |x|

Theorems

Reflection Theorem
Translation Theorem

Suitable Grade Level

Grades 8-10