What is the domain of f(x)=-x^2-8x+9 ?

The domain of f(x)=-x^2-8x+9 is -infinity <x<infinity

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domain of f(x)=-x^2-8x+9

domain

f (x) = - x^{2} - 8 x + 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{8 x}{x + 5}

f (x) = arctan (\frac{x}{2 - x})

f (x) = 3 lo g_{5} (x + 1) - 2

\frac{x ^{2} + 3 x - 2}{x ^{2} + 2 x - 3}

x^{3} - 6 x^{2}

What is the domain of f(x)=-x^2-8x+9 ?
The domain of f(x)=-x^2-8x+9 is -infinity <x<infinity