What is the domain of x^4-2x^2-1 ?

The domain of x^4-2x^2-1 is -infinity <x<infinity

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domain of x^4-2x^2-1

domain

x^{4} - 2 x^{2} - 1

- \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

(x - 2) (x + 3)

f (x) = \frac{1}{( x + 7 ) ( x + 8 )}

y = 1 - 2 x - 3 - 2 x - x^{2}

f (x) = 4 - \frac{4}{3} x

f (x) = \frac{x + 2}{7 x ^{2} + 28 x}

What is the domain of x^4-2x^2-1 ?
The domain of x^4-2x^2-1 is -infinity <x<infinity