Math Problem Statement

Use transformations on the basic function f(x) = x^2 to write a rule that would produce the given graph.

Solution

The problem shown involves using transformations of the basic quadratic function f(x)=x2f(x) = x^2 to match the provided graph. Let's break it down based on what is visible in the image:

  1. Basic function: The graph of f(x)=x2f(x) = x^2 is a standard parabola opening upwards with its vertex at the origin (0,0).

  2. Given graph: The new graph is also a parabola, but it appears to have undergone a vertical reflection and a vertical shift. Specifically:

    • Reflection: The parabola is upside down, indicating that the function has been reflected across the x-axis. This transformation is represented by multiplying the function by 1-1, giving x2-x^2.
    • Vertical shift: The vertex of the given parabola seems to have moved downward by 3 units (this is based on the general position of the vertex). This is a vertical translation, which means we subtract 3 from the function, giving f(x)=x23f(x) = -x^2 - 3.

Thus, the transformation rule that would produce the given graph is: f(x)=x23f(x) = -x^2 - 3

Would you like a more detailed explanation of the steps or have any questions about this?


Here are 5 related questions to deepen your understanding:

  1. How do horizontal shifts affect the graph of a quadratic function?
  2. What happens when you apply a horizontal stretch to f(x)=x2f(x) = x^2?
  3. How can you identify whether a graph has undergone a vertical stretch or compression?
  4. How does a vertical shift affect the vertex of a parabola?
  5. Can a quadratic function have both horizontal and vertical transformations?

Tip: Always check both vertical and horizontal shifts carefully when transforming graphs. Vertical changes affect the "up and down" movement, while horizontal changes adjust the graph "left and right."

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Functions
Graph Transformations

Formulas

f(x) = x^2
Reflection: -f(x)
Vertical Shift: f(x) - c

Theorems

Transformation of Quadratic Functions

Suitable Grade Level

Grades 8-10