Math Problem Statement

Which function represents the graph of f(x) = |2x| after it is translated 5 units to the left?

Solution

To translate the graph of f(x)=2xf(x) = |2x| 5 units to the left, we modify the function by adjusting the input xx in the absolute value expression. Translating to the left by 5 units means we replace xx with x+5x + 5 in the function.

Thus, the transformed function becomes: g(x)=2(x+5)g(x) = |2(x + 5)|

Answer

The correct choice is: g(x)=2(x+5)g(x) = |2(x + 5)|

Would you like further explanation on translations, or do you have any questions?


Here are five related questions to expand your understanding:

  1. How would the function f(x)=2xf(x) = |2x| change if it were translated 5 units to the right instead?
  2. What would happen to f(x)=2xf(x) = |2x| if it were translated 5 units up instead of to the left?
  3. How does the graph of f(x)=2xf(x) = |2x| compare to the graph of f(x)=xf(x) = |x| in terms of steepness?
  4. What transformation occurs if you replace xx with x-x in f(x)=2xf(x) = |2x|?
  5. How do we interpret a vertical stretch or compression in terms of absolute value functions?

Tip: Remember that horizontal translations in a function f(x)f(x) can be made by adding or subtracting from the input xx, where x+ax + a shifts the graph left, and xax - a shifts it right.

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Math Problem Analysis

Mathematical Concepts

Algebra
Absolute Value Functions
Function Transformations

Formulas

Horizontal translation: f(x + a) shifts the graph left by a units

Theorems

Horizontal Shift Theorem for Functions

Suitable Grade Level

Grades 9-12