What is the domain of f(x)=5x^2+9 ?

The domain of f(x)=5x^2+9 is -infinity <x<infinity

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domain of f(x)=5x^2+9

domain

f (x) = 5 x^{2} + 9

- \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) = \frac{( 4 x ^{2} - 4 x - 1 )}{3 x - 3}

\frac{2}{x}

(- 2, 3), (2, 2)

f (x) = - 2 sin (\frac{2}{3} x - 4)

f (x) = - 8 x

What is the domain of f(x)=5x^2+9 ?
The domain of f(x)=5x^2+9 is -infinity <x<infinity