Math Problem Statement

Describe the transformation in g(x)=x+4g(x)=x+4 as it relates to the graph of the parent function.   vertical translation: 1 of 4.Select Choice4 units up4 units downnone

horizontal translation: 2 of 4.Select Choice4 units left4 units rightnone

dilation: 3 of 4.Select Choicevertical stretch by a factor of 4vertical stretch by a factor of 0.25vertical compression by a factor of 4none

reflection: 4 of 4.Select Choiceacross the x-axisacross the y-axisnone solve

Describe the transformation in g(x) = x + 4 as it relates to the graph of the parent function.

Solution

Let's analyze the transformation in the function g(x)=x+4g(x) = x + 4 based on the parent function f(x)=xf(x) = x, which is a simple linear function with a slope of 1.

Breakdown of the Transformations

  1. Vertical Translation: The function g(x)=x+4g(x) = x + 4 includes an addition of 4 outside the xx-variable. This indicates a vertical translation of 4 units up.

  2. Horizontal Translation: There is no change to the xx-variable itself (i.e., there's no addition or subtraction within xx), so there is no horizontal translation.

  3. Dilation: There is no coefficient change to xx, so the slope remains 1. Thus, there is no dilation.

  4. Reflection: The function has no negative sign in front of xx or outside the entire expression, so there is no reflection.

Answer Choices:

  • Vertical Translation: 4 units up
  • Horizontal Translation: none
  • Dilation: none
  • Reflection: none

Would you like further explanation on this transformation?

Here are some related questions to expand your understanding:

  1. What transformation occurs if the function is g(x)=x3g(x) = x - 3?
  2. How does a negative sign in front of xx in g(x)=xg(x) = -x affect the graph?
  3. What happens to the graph if a coefficient is added, as in g(x)=2x+4g(x) = 2x + 4?
  4. How would a horizontal shift of 5 units right affect the function g(x)=xg(x) = x?
  5. Can a function have both a vertical and horizontal transformation at the same time?

Tip: When analyzing transformations, start by identifying if constants are added/subtracted to xx for horizontal shifts and to g(x)g(x) for vertical shifts.

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Math Problem Analysis

Mathematical Concepts

Functions
Transformations of Functions
Linear Functions

Formulas

g(x) = x + c for vertical translations of linear functions

Theorems

Basic transformations of functions

Suitable Grade Level

Grades 8-10