Math Problem Statement

Which of the following functions is graphed below?

Solution

Let's analyze the graph to determine the correct function.

Key Observations from the Graph:

  1. V-shape: The graph suggests it is an absolute value function.
  2. Vertex at (-6, -3): The V-shape’s point of reflection (the vertex) is located at x = -6 and y = -3.
  3. Positive slope: As we move right from the vertex, the slope is positive (1), indicating the function rises linearly from the vertex.
  4. Shifting: The graph is shifted left by 6 units and down by 3 units.

General Form of Absolute Value Functions:

  • y=xh+ky = |x - h| + k, where:
    • hh shifts the graph horizontally.
    • kk shifts it vertically.
    • If hh is positive, the graph shifts left; if negative, it shifts right.

Matching with the Answer Choices:

  • From the observations, the function appears to be shifted left by 6 units and down by 3 units.
  • This corresponds to:
    y=x+63y = |x + 6| - 3.

Correct Answer:

  • A. y=x+63y = |x + 6| - 3.

Would you like further explanation, or do you have any additional questions?


5 Related Questions:

  1. What happens if we replace x+6|x + 6| with x6|x - 6| in the function?
  2. How do horizontal and vertical shifts affect absolute value graphs?
  3. What is the difference between x+6|x + 6| and x6|x - 6| graphically?
  4. How can we determine the slope of an absolute value function?
  5. How does changing the slope inside the absolute value (e.g., y=2x+63y = 2|x + 6| - 3) modify the graph?

Tip:
The vertex form of an absolute value function makes it easy to identify the vertex and any shifts directly from the equation!

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Math Problem Analysis

Mathematical Concepts

Algebra
Absolute Value Functions
Graph Transformations

Formulas

y = |x - h| + k (vertex form of an absolute value function)

Theorems

Absolute Value Function Transformations

Suitable Grade Level

Grades 8-10