What is the domain of y= 3/(x^2-49) ?

The domain of y= 3/(x^2-49) is x 7

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domain of y= 3/(x^2-49)

domain

y = \frac{3}{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) = \frac{( x - 3 ) ^{2}}{x ^{2}}

\frac{x + 7}{x ^{2} - 6 x + 8}

f (x) = \frac{2 x - 5}{x}

3 x - 3 y = 9

f (x) = \frac{3 x - 4}{- 2 x + 11}

What is the domain of y= 3/(x^2-49) ?
The domain of y= 3/(x^2-49) is x<-7\lor-7<x<7\lor x>7