Question

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

Answer 1

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: `{RR}`

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`.