Math Problem Statement

If you apply the changes below to the absolute value parent function, F(x) = |x|, what is the equation of the new function? Horizontally compress by multiplying by 11 and shift 4 units up.

Solution

The given question asks for the equation of the new function when certain transformations are applied to the absolute value parent function F(x)=xF(x) = |x|.

Transformations:

  1. Horizontal compression by a factor of 11:

    • A horizontal compression is applied by multiplying the input xx by 11. This affects the equation inside the absolute value brackets. So, F(x)=xF(x) = |x| becomes F(x)=11xF(x) = |11x|.
  2. Shift upward by 4 units:

    • This transformation adds 4 to the output of the function, shifting the graph upward by 4 units. So the new equation becomes F(x)=11x+4F(x) = |11x| + 4.

Conclusion:

The correct equation is G(x)=11x+4G(x) = |11x| + 4, which corresponds to option A.

Would you like further details or have any questions? Here are some related questions for practice:

  1. How does a horizontal stretch differ from a horizontal compression?
  2. What happens if you shift the function F(x)=xF(x) = |x| downward instead of upward?
  3. How would you describe a vertical stretch of the function F(x)=xF(x) = |x|?
  4. What is the general form of a transformed absolute value function?
  5. If the function were shifted to the left or right, how would the equation change?

Tip: Remember that horizontal transformations affect the input xx, and vertical transformations affect the output of the function.

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Math Problem Analysis

Mathematical Concepts

Transformations of Functions
Absolute Value Functions

Formulas

F(x) = |ax| + k for horizontal compressions and vertical shifts

Theorems

Transformation of absolute value functions

Suitable Grade Level

Grades 9-11