Math Problem Statement

Lösen sie die Aufgaben

Beschreiben Sie, wie man den Graphen der Funktion g aus dem Graphen der Funktion f mit f(x) = x^2 erhält, und geben Sie einen Funktionsterm für g an.

Solution

The task is to describe how to transform the graph of the function f(x)=x2f(x) = x^2 into the given graph g(x)g(x) and find a formula for g(x)g(x). Based on the image, we have four transformations of the quadratic function f(x)=x2f(x) = x^2 that need to be analyzed.

a) Transformation in the first graph:

  • The vertex of the parabola has moved up by 2 units.
  • Transformation: This is a vertical shift upwards by 2 units.
  • Function term: g(x)=x2+2g(x) = x^2 + 2.

b) Transformation in the second graph:

  • The parabola has been shifted downward by 2 units.
  • Transformation: This is a vertical shift downwards by 2 units.
  • Function term: g(x)=x22g(x) = x^2 - 2.

c) Transformation in the third graph:

  • The parabola has been reflected across the x-axis, meaning it opens downward.
  • Transformation: This is a vertical reflection and a shift downward by 2 units.
  • Function term: g(x)=x22g(x) = -x^2 - 2.

d) Transformation in the fourth graph:

  • The vertex has been shifted to the right by 1 unit and upwards by 2 units.
  • Transformation: This is a horizontal shift to the right by 1 unit and a vertical shift upwards by 2 units.
  • Function term: g(x)=(x1)2+2g(x) = (x - 1)^2 + 2.

Would you like more details on any of these transformations, or do you have any specific questions?

Related Questions:

  1. How do you perform a horizontal shift on a quadratic function?
  2. What effect does a reflection over the x-axis have on the graph of a function?
  3. How would you combine both horizontal and vertical shifts in a function transformation?
  4. Can we reflect a parabola over the y-axis instead? What would the equation look like?
  5. How does a vertical stretch or compression affect the graph of a quadratic function?

Tip:

To identify transformations easily, always start by looking at the vertex shift (horizontal or vertical) and whether the parabola has been reflected or stretched.

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Functions
Graph Transformations

Formulas

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

Theorems

Basic Transformations of Functions
Shifting, Reflecting, and Stretching Parabolas

Suitable Grade Level

Grades 9-12