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

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

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Answer 1 · 2015-04-09T11:47:25

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

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

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

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