What is the domain of f(x)=x^4+16x^2+72 ?

The domain of f(x)=x^4+16x^2+72 is -infinity <x<infinity

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domain of f(x)=x^4+16x^2+72

domain

f (x) = x^{4} + 16 x^{2} + 72

- \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

y = 3 x + 2

\frac{3 x}{x ^{2} - x}

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

f (x) = \frac{3}{4} x + 12

f (t) = 5 t - 8 t^{2}

What is the domain of f(x)=x^4+16x^2+72 ?
The domain of f(x)=x^4+16x^2+72 is -infinity <x<infinity