# How do you find the domain and range of y=3x^2?

##### 1 Answer
Aug 28, 2017

See an explanation below:

#### Explanation:

Because there are no restrictions on the value $x$ can be the Domain, or input into the equation, is the set of all Real Numbers or: $\left\{\mathbb{R}\right\}$

Because x^ will always be greater or equal to $0$, then the Range for this equation is the set of all Real Numbers greater than $0$.