What is the domain of f(x)=(x^2)/2+2x+5 ?

The domain of f(x)=(x^2)/2+2x+5 is -infinity <x<infinity

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domain of f(x)=(x^2)/2+2x+5

domain

f (x) = \frac{x ^{2}}{2} + 2 x + 5

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

3 x^{2} + 6 x

f (x) = \frac{1}{x ^{2} - x - 2}

y = 2^{\frac{x}{4}}

f (x) = \frac{2}{x ^{2} - 16}

What is the domain of f(x)=(x^2)/2+2x+5 ?
The domain of f(x)=(x^2)/2+2x+5 is -infinity <x<infinity