What is the domain of f(x)=(x^2)/(x^2-16) ?

The domain of f(x)=(x^2)/(x^2-16) is x 4

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domain of f(x)=(x^2)/(x^2-16)

domain

f (x) = \frac{x ^{2}}{x ^{2} - 16}

x < - 4 or - 4 < x < 4 or x > 4

Interval Notation

(- \infty, - 4) \cup (- 4, 4) \cup (4, \infty)

Solution steps

Find undefined (singularity) points:

x = 4, x = - 4

The function domain

x < - 4 or - 4 < x < 4 or x > 4

49 - x^{2}

\frac{x - 9}{x ^{2} + 18 x + 81}

f (x) = \frac{- 2 x + 99}{x ( x + 11 )}

f (x) = 2 cos (ln (1 - x)) + 1

f (x) = 4 x^{3} + 2 x^{2}

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