Math Problem Statement

Given is the graph of f(x). Explain (in words) how to obtain the graph of various transformations like f(x - 13), 2f(x) - 13, etc.

Solution

The problem is asking to explain how to obtain the graphs of the given transformations of f(x)f(x). Here's a detailed explanation of how to handle each transformation:

  1. (a) f(x13)f(x - 13):

    • This is a horizontal shift to the right by 13 units.
    • The graph of f(x)f(x) moves rightward along the x-axis by 13 units.
  2. (b) 2f(x)132f(x) - 13:

    • The 2f(x)2f(x) is a vertical stretch by a factor of 2, which makes the graph taller (doubles the y-values).
    • The 13-13 shifts the graph downward by 13 units.
  3. (c) 2f(x13)2f(x - 13):

    • First, shift the graph of f(x)f(x) to the right by 13 units (horizontal shift).
    • Then apply a vertical stretch by multiplying the y-values by 2.
  4. (d) 4f(x+13)-4f(x + 13):

    • Shift the graph of f(x)f(x) to the left by 13 units.
    • Then multiply the y-values by -4. This does two things: flips the graph over the x-axis (because of the negative sign) and stretches it vertically by a factor of 4.
  5. (e) f(x)+1f(x) + 1:

    • This is a vertical shift upward by 1 unit.
    • The graph of f(x)f(x) moves upward along the y-axis.
  6. (f) f(x/10)-f(x/10):

    • The x/10x/10 means a horizontal stretch by a factor of 10.
    • The negative sign flips the graph of f(x)f(x) over the x-axis.
  7. (g) f(x)/4f(-x)/4:

    • First, reflect the graph over the y-axis (due to the x-x).
    • Then apply a vertical compression by dividing the y-values by 4.
  8. (h) 4f(x)-4f(-x):

    • Reflect the graph over the y-axis.
    • Then apply a vertical stretch by a factor of 4 and flip it over the x-axis due to the negative sign.

Do you have any questions, or would you like more detailed explanations on any specific transformation? Here are some related questions for further practice:

  1. What happens if you replace f(x)f(x) with f(2x)f(2x)?
  2. How would you describe the transformation for f(x+a)+bf(x + a) + b?
  3. What effect does multiplying f(x)f(x) by a negative constant have on the graph?
  4. Can you explain the difference between horizontal and vertical shifts?
  5. How would you graph f(x5)+3f(-x - 5) + 3?

Tip: For horizontal shifts, think in terms of the opposite sign (e.g., f(x3)f(x - 3) shifts to the right).

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Math Problem Analysis

Mathematical Concepts

Graph Transformations
Functions

Formulas

Horizontal Shift: f(x - c) shifts the graph right by c units
Vertical Stretch/Compression: af(x) stretches/compresses vertically by factor a
Reflection: -f(x) reflects the graph across the x-axis
Horizontal Stretch: f(x/c) stretches/compresses horizontally by c

Theorems

Transformation of Functions
Horizontal and Vertical Shifts
Reflections across axes

Suitable Grade Level

Grades 10-12