What is the domain of f(x)=(x^2-9)/(x^2+6) ?

The domain of f(x)=(x^2-9)/(x^2+6) is -infinity <x<infinity

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domain of f(x)=(x^2-9)/(x^2+6)

domain

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

- \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

y = x (x - 3)^{2}

f (x) = \frac{x + 4}{x + 3}

f (x) = cosh^{2} (x)

f (x) = \frac{2 x - 6}{x ^{2} + 4 x - 5}

f (x) = \frac{x + 8}{x ^{2} - 9}

What is the domain of f(x)=(x^2-9)/(x^2+6) ?
The domain of f(x)=(x^2-9)/(x^2+6) is -infinity <x<infinity