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

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

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domain of f(x)=2x^2-4

domain

f (x) = 2 x^{2} - 4

- \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

\frac{x}{2} + \frac{y}{5} - 1 = 0

f (x) = \frac{4 x + 1}{7}

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

x + 1

f (x) = \frac{x + a}{x - a}

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