Parent Function:

$f\left(x\right)=\left|x\right|,$  defined as 
$f\left(x\right)=\left\{\begin{array}{r}x\text{ if }x\ge 0\\ -x\text{ if }x<0\end{array}\right.$  

Type of Graph:

V-Shaped

Domain:

all real numbers

Range:

all nonnegative real numbers