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

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

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

domain

f (X) = 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

f (x) = 4^{- x}

f (x) = x^{4} - 7 x^{2} + 6 x

f (x) = \frac{x - 2}{x + 3}

f (x) = 3 - 2 x^{2}

f (x) = \frac{( 2 x + 8 )}{x - 3}

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