What is the domain of f(x)= x/(3+x) ?

The domain of f(x)= x/(3+x) is x -3

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domain of f(x)= x/(3+x)

domain

f (x) = \frac{x}{3 + x}

x < - 3 or x > - 3

Interval Notation

(- \infty, - 3) \cup (- 3, \infty)

Solution steps

Find undefined (singularity) points:

x = - 3

The function domain

x < - 3 or x > - 3

f (x) = \frac{( x - 3 )}{x + 8}

3 x - 5 y + 12 = 0

- 3 + 2 sin (x + \frac{π}{6})

f (x) = x^{4} - 4 x^{2}

9 x + 3 y = - 6

What is the domain of f(x)= x/(3+x) ?
The domain of f(x)= x/(3+x) is x<-3\lor x>-3