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

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

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

domain

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

z < - 3 or z > - 3

Interval Notation

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

Solution steps

Find undefined (singularity) points:

z = - 3

The function domain

z < - 3 or z > - 3

f (x) = \frac{- 4}{x + 20 - 1}

y = \frac{2}{3} x + 4

f (x) = 6 x - 4

y = \frac{3 x - 15}{x ^{3} + 4 x ^{2} + 8 x}

f (x) = \frac{2 x - 3}{4 x ^{2} + 3 x - 1}

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