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

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Answer 1 · 2015-04-09T11:47:25

$h(x) = x^2+2$ is valid ("defined") for all Real values of $x$
so the domain of $h(x)$ is $(-oo,+oo)$

(Actually $h(x)$ is valid for all Complex values as well if this is a consideration)

How do you find the domain for h(x)=x^2+2h(x)=x^2+2?