What is the domain of (9x)/(x^2-25) ?

The domain of (9x)/(x^2-25) is x 5

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domain of (9x)/(x^2-25)

domain

\frac{9 x}{x ^{2} - 25}

x < - 5 or - 5 < x < 5 or x > 5

Interval Notation

(- \infty, - 5) \cup (- 5, 5) \cup (5, \infty)

Solution steps

Find undefined (singularity) points:

x = 5, x = - 5

The function domain

x < - 5 or - 5 < x < 5 or x > 5

\frac{2 x ^{2} + x - 28}{x ^{2} - 3 x - 28}

f (x) = 5 - 4 x, x < 2

f (x) = 7 x^{3} - 6 x^{2} + 9

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

F (x) = \frac{2}{x ^{2}}

What is the domain of (9x)/(x^2-25) ?
The domain of (9x)/(x^2-25) is x<-5\lor-5<x<5\lor x>5