Math Problem Statement

use graph

The graph above is a transformation of the function f(x) = |x|. Write an equation for the function graphed above.

Solution

The graph provided represents a transformation of the function f(x)=xf(x) = |x|, which is the absolute value function. To analyze this transformation:

  1. The basic graph of f(x)=xf(x) = |x| has a vertex at (0,0)(0, 0), with the graph increasing for x0x \geq 0 and decreasing for x<0x < 0.
  2. In this graph, the vertex has been shifted to (3,3)(-3, -3).
  3. Additionally, the slope of the right side remains 11 (upward), and the left side has a slope of 1-1, similar to the original function.

This corresponds to a horizontal and vertical translation. The transformation of f(x)=xf(x) = |x| can be written as: g(x)=x+33g(x) = |x + 3| - 3 Here:

  • x+3x + 3 shifts the graph to the left by 3 units.
  • 3-3 moves the graph down by 3 units.

Thus, the equation of the transformed function is: g(x)=x+33g(x) = |x + 3| - 3

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

Related Questions:

  1. How do you determine the transformation from the graph of a basic function?
  2. What is the effect of adding or subtracting constants inside the absolute value function?
  3. How would the graph change if the function were g(x)=x3+3g(x) = |x - 3| + 3?
  4. Can you describe how the slope of the graph changes before and after the vertex?
  5. How would you reflect the graph of f(x)=xf(x) = |x| over the x-axis?

Tip:

When analyzing transformations, focus on shifts (horizontal/vertical), stretches, compressions, and reflections, as these changes are reflected in the form of the equation!

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Math Problem Analysis

Mathematical Concepts

Algebra
Absolute Value Functions
Transformations

Formulas

g(x) = |x + h| + k
Translation formula for absolute value functions

Theorems

Transformation Theorem for Absolute Value Functions

Suitable Grade Level

Grades 8-10