What is the domain of f(x)= 1/(x+15) ?

The domain of f(x)= 1/(x+15) is x -15

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domain of f(x)= 1/(x+15)

domain

f (x) = \frac{1}{x + 15}

x < - 15 or x > - 15

Interval Notation

(- \infty, - 15) \cup (- 15, \infty)

Solution steps

Find undefined (singularity) points:

x = - 15

The function domain

x < - 15 or x > - 15

(7, - 2), (- 5, - 2)

f (x) = x^{3} - 5

f (x) = \frac{( 2 x ^{3} - 5 )}{x ^{2} + x - 6}

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

y = f (x) = \frac{2 - 5 x}{6 - 6 x}

What is the domain of f(x)= 1/(x+15) ?
The domain of f(x)= 1/(x+15) is x<-15\lor x>-15