2. Functions

Modulus Transformations — Quiz

Test your understanding of modulus transformations with 5 practice questions.

Practice Questions

Question 1

What does the transformation $y=|f(x)|$ do to the graph of $y=f(x)$ when $f(x)$ is negative for some $x$-values?

Question 2

For the function $f(x)=x-3$, what is the graph of $y=|f(x)|$ equal to?

Question 3

If $f(x)=-2$ for a certain value of $x$, what is the corresponding value of $|f(x)|$?

Question 4

Which statement best describes how the graph of $y=|f(x)|$ compares with the graph of $y=f(x)$?

Question 5

Let $f(x)=x^2-4$. For which $x$-values is $|f(x)|=f(x)$?