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

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Answer 1 · 2017-08-28T13:54:14

See an explanation below:

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 $0$ .

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