What is the domain of (x^3+2x^2+4x)/(x^4-16) ?

The domain of (x^3+2x^2+4x)/(x^4-16) is x 2

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domain of (x^3+2x^2+4x)/(x^4-16)

domain

\frac{x ^{3} + 2 x ^{2} + 4 x}{x ^{4} - 16}

x < - 2 or - 2 < x < 2 or x > 2

Interval Notation

(- \infty, - 2) \cup (- 2, 2) \cup (2, \infty)

Solution steps

Find undefined (singularity) points:

x = 2, x = - 2

The function domain

x < - 2 or - 2 < x < 2 or x > 2

What is the domain of (x^3+2x^2+4x)/(x^4-16) ?
The domain of (x^3+2x^2+4x)/(x^4-16) is x<-2\lor-2<x<2\lor x>2