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{1}{7} sin (5 x + \frac{π}{2})

f (x) = \frac{( x ^{3} - 9 x )}{3 x ^{2} - 6 x - 9}

f (x) = \frac{7 x - 8}{9 x + 1}

4 x + 7 y = 8, (4, - 2)

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

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