### Home > A2C > Chapter 4 > Lesson 4.2.3 > Problem4-106

4-106.

What difference is there between $f \left(x\right) = \left|x\right|$ and $y = \left|x\right|$, in relation to their graphs or tables? What conclusions can you draw from your answer?

There is no difference. It doesn't matter which one you use.