Math Problem Statement

Use transformations of the absolute value function, f(x) = |x|, to graph the function h(x) = |x + 2| - 5. What transformations are needed to obtain the graph of h(x) from the graph of f(x)?

Solution

The problem in your image asks for the transformations needed to graph the function h(x)=x+25h(x) = |x + 2| - 5 from the absolute value function f(x)=xf(x) = |x|.

To analyze the transformations:

  1. Horizontal Shift: The term x+2|x + 2| indicates a horizontal shift. Since +2+2 inside the absolute value moves the graph to the left, this is a horizontal shift 2 units to the left.

  2. Vertical Shift: The term 5-5 outside the absolute value shifts the graph vertically. This is a vertical shift 5 units down.

There are no stretches, shrinks, or reflections in this case because there are no coefficients modifying xx or x|x| directly.

Correct choices:

  • D. Horizontal shift (left by 2 units)
  • F. Vertical shift (down by 5 units)

Let me know if you want more details on this or have any questions!

Here are five follow-up questions to explore this concept further:

  1. What is the effect of multiplying the function f(x)=xf(x) = |x| by a negative constant?
  2. How would the graph change if the function were h(x)=2x+25h(x) = 2|x + 2| - 5?
  3. What transformation would occur if h(x)=x+2+5h(x) = |x + 2| + 5?
  4. How would a reflection over the y-axis be represented in the absolute value function?
  5. What happens to the graph of f(x)=xf(x) = |x| if we add a constant inside the absolute value?

Tip: Always remember that transformations inside the absolute value affect the graph horizontally (left/right), and those outside affect it vertically (up/down).

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Math Problem Analysis

Mathematical Concepts

Transformations of Functions
Absolute Value Function
Algebra

Formulas

f(x) = |x|
h(x) = |x + 2| - 5

Theorems

Transformations of functions involve shifts, stretches, shrinks, and reflections.

Suitable Grade Level

Grades 9-12