What is the domain of f(x)=(-2)/(x^2-2x-35) ?

The domain of f(x)=(-2)/(x^2-2x-35) is x 7

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domain of f(x)=(-2)/(x^2-2x-35)

domain

f (x) = \frac{- 2}{x ^{2} - 2 x - 35}

x < - 5 or - 5 < x < 7 or x > 7

Interval Notation

(- \infty, - 5) \cup (- 5, 7) \cup (7, \infty)

Solution steps

Find undefined (singularity) points:

x = 7, x = - 5

The function domain

x < - 5 or - 5 < x < 7 or x > 7

f (x) = ln (x - 5) - 1

f (x) = \frac{( x - 3 )}{x ^{2} - 7 x + 12}

f (x) = 5 + 3 x

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

f (x) = \frac{8}{x - 2}

What is the domain of f(x)=(-2)/(x^2-2x-35) ?
The domain of f(x)=(-2)/(x^2-2x-35) is x<-5\lor-5<x<7\lor x>7