What is the domain of f(x)=x^4+2x^2+1 ?

The domain of f(x)=x^4+2x^2+1 is -infinity <x<infinity

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domain of f(x)=x^4+2x^2+1

domain

f (x) = 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

f (x) = 3 - (x + 1)^{3}

f (x) = x^{3} - 25 x

f (x) = (x + 2) (x - 1) (x - 3)

r, r = \frac{4}{1 + cos ( θ )}

f (x) = x x^{2} - 2

What is the domain of f(x)=x^4+2x^2+1 ?
The domain of f(x)=x^4+2x^2+1 is -infinity <x<infinity