What is the domain of f(x)=2-7x^2 ?

The domain of f(x)=2-7x^2 is -infinity <x<infinity

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domain of f(x)=2-7x^2

domain

f (x) = 2 - 7 x^{2}

- \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} - 1}{x + 2}

4 x + 11

f (x) = (x - 3)^{2} - 4

- 4 x + 9

arctan (tan^{3} (x))

What is the domain of f(x)=2-7x^2 ?
The domain of f(x)=2-7x^2 is -infinity <x<infinity