What is the domain of (x^2-100)/(x^2+x-90) ?

The domain of (x^2-100)/(x^2+x-90) is x 9

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domain of (x^2-100)/(x^2+x-90)

domain

\frac{x ^{2} - 100}{x ^{2} + x - 90}

x < - 10 or - 10 < x < 9 or x > 9

Interval Notation

(- \infty, - 10) \cup (- 10, 9) \cup (9, \infty)

Solution steps

Find undefined (singularity) points:

x = 9, x = - 10

The function domain

x < - 10 or - 10 < x < 9 or x > 9

∣ x ∣ - 2

x^{5} - 5 x

lo g_{10} (x - 4)

f (x) = \frac{1}{9.3 x - 4.3 x ^{2}}

ln (5 x + 3)

What is the domain of (x^2-100)/(x^2+x-90) ?
The domain of (x^2-100)/(x^2+x-90) is x<-10\lor-10<x<9\lor x>9