Question

What is the domain and range of this function??

Answer 1

`\text{Domain:}\\x < 0\ \vee\ x=0\ \vee\ x > 0\\\text{therefore}\\\\D=(-\infty,\ \infty)=\mathbb{R}`

`\text{Range}=[0,\ \infty)=\mathbb{R}\ \cup\ \{0\}`

Domain is a set of x-s.

Range is a set of y-s.