What is the domain of g(x)=(x+7)/(x^2-49) ?

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

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domain of g(x)=(x+7)/(x^2-49)

domain

g (x) = \frac{x + 7}{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

f (x) = lo g_{\frac{1}{4}} (x^{2} - 4 x + 4)

5 - 2 x^{2}

f (x) = \frac{2 x - 6}{x ^{2} - 6 x}

x - x^{3}

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