How do you find the domain and range of $h(x)=x^2+2$ ?

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Answer 1 · 2016-05-23T02:36:17

The domain of $h$ is the set of real numbers hence it is a polynomial of second degree.

For the range notice that $h=x^2+2>=2$ hence $R_f=[2,+oo)$

How do you find the domain and range of h(x)=x^2+2h(x)=x^2+2?