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

The domain of f(x)= x/(9-x^2) is x 3

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

domain

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

x < - 3 or - 3 < x < 3 or x > 3

Interval Notation

(- \infty, - 3) \cup (- 3, 3) \cup (3, \infty)

Solution steps

Find undefined (singularity) points:

x = 3, x = - 3

The function domain

x < - 3 or - 3 < x < 3 or x > 3

\frac{10 x}{x + 4}

y = x^{2} - 4 x

f (x) = \frac{1}{4} x - \frac{1}{8}

f (x) = - x + 4 - x + 4

lo g_{10} (8) (12 - 4 x)

What is the domain of f(x)= x/(9-x^2) ?
The domain of f(x)= x/(9-x^2) is x<-3\lor-3<x<3\lor x>3