Polynomial and absolute value.

$ f(x) = \frac 14 x^4 + x\vert x\vert$ .

The function $ f$ is defined on $ \mathbb{R}$ . Because of the absolute value, we need to consider two different cases, namely $ x \leq 0$ and $ x \geq 0$ .



Subsections

Noah Dana-Picard 2007-12-28