# What is the domain and range of y=( sqrt x)?

Jun 20, 2016

domain: $x \in \mathbb{R}$ ,but$x \ge 0$
range: $\left(0 , \infty\right)$
domain $x \in \mathbb{R} , x \ge 0$
range $\sqrt{x}$ shouldn't be negative so $\left(0 , \infty\right)$