Math Problem Statement

The graph in the figure is a horizontal and/or vertical shift of the graph of y = x^2. Find a formula for the function graphed in the figure.

Solution

The graph shown in the image is a parabola that looks like a shifted version of the standard parabola y=x2y = x^2. Let's analyze the transformation.

  1. Vertex Shift: The vertex of the standard parabola y=x2y = x^2 is at (0,0)(0, 0). However, in this graph, the vertex has been shifted to the point (2,1)(-2, 1). This implies both a horizontal and vertical shift.

    • A horizontal shift to the left by 2 units would involve the transformation y=(x+2)2y = (x + 2)^2.
    • A vertical shift upwards by 1 unit would involve the transformation y=(x+2)2+1y = (x + 2)^2 + 1.

Therefore, the formula for the graph is: g(x)=(x+2)2+1g(x) = (x + 2)^2 + 1

Let me know if you need any further clarifications!

Related Questions:

  1. How does changing the value of the constant outside the squared term affect the graph?
  2. What happens when you change the sign inside the parentheses with xx?
  3. Can you describe the effect of multiplying x2x^2 by a coefficient?
  4. How would the graph change if the vertex were at (3,1)(-3, 1) instead?
  5. What is the difference between vertical and horizontal shifts in graphs?

Tip:

When identifying transformations of graphs, always look for changes in the vertex, as they indicate horizontal and vertical shifts.

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Functions
Graph Transformations

Formulas

y = a(x-h)^2 + k
g(x) = (x + 2)^2 + 1

Theorems

Shift Theorem for Quadratic Functions

Suitable Grade Level

Grades 9-11