Math Problem Statement

The function f(x) has been transformed into the function g(x). Which of the following defines g(x) in terms of f(x)?

Solution

To analyze this transformation between f(x)f(x) and g(x)g(x), we will focus on understanding how the graph of f(x)f(x) has been modified to create g(x)g(x).

Graphical Analysis:

  • The graph of f(x)f(x) is shown in green, while g(x)g(x) is in red.
  • To figure out the transformation, we look for shifts (horizontal and vertical) and possibly reflections or scalings.

From the graph:

  • g(x)g(x) appears to be shifted downward compared to f(x)f(x).
  • There also appears to be a horizontal shift as g(x)g(x) is shifted to the right.

Vertical and Horizontal Shifts:

  1. Vertical Shift: Comparing the y-values, g(x)g(x) seems to be shifted downward by 4 units compared to f(x)f(x). This indicates a vertical transformation of 4-4.

  2. Horizontal Shift: Comparing the x-values, g(x)g(x) seems to be shifted to the right by 2 units compared to f(x)f(x). This suggests a horizontal transformation involving (x2)(x - 2).

Conclusion:

The correct transformation that defines g(x)g(x) in terms of f(x)f(x) is: g(x)=f(x2)4g(x) = f(x - 2) - 4 This corresponds to the first option: g(x)=f(x2)4g(x) = f(x - 2) - 4

Would you like further details or have any questions about this?


Here are 5 questions to expand on this topic:

  1. How do horizontal shifts affect the equation of a function?
  2. How can you determine vertical shifts by looking at a graph?
  3. What is the effect of a transformation of the form f(x+a)f(x + a)?
  4. Can a function's graph be transformed by reflections or scalings in addition to shifts?
  5. How do transformations help in understanding function behavior in real-world applications?

Tip: To quickly identify transformations, compare key points of the function (like the intercepts or maxima/minima) before and after transformation!

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Math Problem Analysis

Mathematical Concepts

Function transformations
Horizontal shifts
Vertical shifts

Formulas

g(x) = f(x - h) + k (where h represents horizontal shift and k represents vertical shift)

Theorems

Function transformation rules

Suitable Grade Level

Grades 8-10