What is the domain of f(x)= 7/(7+x) ?

The domain of f(x)= 7/(7+x) is x -7

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domain of f(x)= 7/(7+x)

domain

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

x < - 7 or x > - 7

Interval Notation

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

Solution steps

Find undefined (singularity) points:

x = - 7

The function domain

x < - 7 or x > - 7

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

(9, - 8), (- 7, - 5)

f (x) = 2 x - 3

3^{x} + 6

(25 - x^{2}) (x + 1)

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