What is the domain of f(x)= x/(x^2-49) ?

The domain of f(x)= x/(x^2-49) is x 7

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domain of f(x)= x/(x^2-49)

domain

f (x) = \frac{x}{x ^{2} - 49}

x < - 7 or - 7 < x < 7 or x > 7

Interval Notation

(- \infty, - 7) \cup (- 7, 7) \cup (7, \infty)

Solution steps

Find undefined (singularity) points:

x = 7, x = - 7

The function domain

x < - 7 or - 7 < x < 7 or x > 7

y = - 4 cos (2 x + \frac{π}{3})

f (x) = x^{2} + 2 x - 1

f (x) = \frac{- 4 x - 45}{9 x + 59}

5^{2 x + 1} - 2^{1 - x}

f (x) = 4 + 9 x^{2} - 6 x^{3}

What is the domain of f(x)= x/(x^2-49) ?
The domain of f(x)= x/(x^2-49) is x<-7\lor-7<x<7\lor x>7