Math Problem Statement

Consider the following function: f(x) = (x - 7)^3. Graph the original function by indicating how the more basic function has been shifted, reflected, stretched, or compressed.

Solution

The function you are asked to analyze is:

f(x)=(x7)3f(x) = (x - 7)^3

This is a cubic function that has undergone a horizontal shift. Here's a breakdown of the transformations:

  1. Horizontal Shift: The function has been shifted to the right by 7 units, as indicated by the term (x7)(x - 7). This is a transformation of the basic cubic function f(x)=x3f(x) = x^3. The shift happens because the function takes the form (xh)(x - h), where h=7h = 7, meaning a shift to the right by 7 units.

  2. Vertical Stretch/Compress: There is no vertical stretch or compression in this function because there are no coefficients multiplying (x7)3(x - 7)^3.

  3. Reflection: There are no negative signs in front of the function, so there is no reflection across either axis.

Answer Breakdown for the Options in the Tool:

  • Horizontal Shift: Right
  • Vertical Stretch/Compress: None
  • x-Axis Reflection: No
  • y-Axis Reflection: No

This should correctly represent the transformation of the cubic function.

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

Here are five follow-up questions to expand on this:

  1. How do horizontal and vertical shifts affect the shape of a function?
  2. How would a reflection across the x-axis change the appearance of a cubic function?
  3. What does a vertical stretch or compression do to a graph?
  4. If a function is reflected across both axes, how would its graph be impacted?
  5. How can you determine the direction of a horizontal shift just by looking at the equation?

Tip: A horizontal shift occurs in the opposite direction of the sign inside the parentheses. For example, f(x7)f(x - 7) shifts the graph right by 7 units, not left.

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Math Problem Analysis

Mathematical Concepts

Algebra
Transformations of Functions
Cubic Functions

Formulas

f(x) = (x - h)^3, where h is the horizontal shift

Theorems

Horizontal shift theorem for functions

Suitable Grade Level

Grades 9-12