What is the domain of f(x)=3x^2-8 ?

The domain of f(x)=3x^2-8 is -infinity <x<infinity

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domain of f(x)=3x^2-8

domain

f (x) = 3 x^{2} - 8

- \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} + 2 x + 4}{x - 2}

h (x) = \frac{x ^{2} - 8 x + 15}{x ^{2} - 10 x + 21}

f (x) = x^{2} + 4 x - 5

2 - 5 x

f (x) = \frac{9}{5 x}

What is the domain of f(x)=3x^2-8 ?
The domain of f(x)=3x^2-8 is -infinity <x<infinity