Math Problem Statement

Here is a graph of y=f(x). On the same graph, sketch y=-f(2-x)-3

Solution

To sketch y=f(2x)3y = -f(2 - x) - 3 based on the given graph of y=f(x)y = f(x), let's break down the transformations step by step:

  1. Start with f(x)f(x): You already have the graph of y=f(x)y = f(x).

  2. Horizontal reflection and shift f(2x)f(2 - x):

    • f(2x)f(2 - x) involves two transformations:
      • Reflection across the vertical axis (because of the x-x).
      • Horizontal shift to the right by 2 units (since f(2x)f(2 - x) shifts the graph horizontally).
  3. Vertical reflection f(2x)-f(2 - x):

    • The negative sign in front of f(2x)f(2 - x) reflects the graph vertically (across the x-axis).
  4. Vertical shift downward by 3 units f(2x)3-f(2 - x) - 3:

    • Finally, subtracting 3 shifts the entire graph down by 3 units.

Summary of transformations:

  • Reflect the graph horizontally across the y-axis.
  • Shift it 2 units to the right.
  • Reflect it vertically across the x-axis.
  • Shift the entire graph downward by 3 units.

If you'd like, I can describe further details about each step, or you can upload a photo of the original graph for a more specific sketch.

Would you like more details, or have any questions about the transformations?

Five related questions:

  1. How do horizontal shifts affect the graph of a function?
  2. What does reflecting a function across the y-axis mean geometrically?
  3. How do you identify vertical shifts from a function's equation?
  4. What is the effect of multiplying a function by a negative sign?
  5. How would you graph y=f(x)+cy = f(x) + c for any constant cc?

Tip:

Always apply transformations in the correct order: start with reflections and shifts inside the function before handling external transformations like vertical shifts and reflections.

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Math Problem Analysis

Mathematical Concepts

Function Transformations
Graph Reflections
Shifts in Functions

Formulas

Horizontal reflection: f(-x)
Horizontal shift: f(x - a)
Vertical reflection: -f(x)
Vertical shift: f(x) - c

Theorems

Transformation of functions
Reflection and translation of graphs

Suitable Grade Level

Grades 9-12