What is the domain of f(x)=(6x)/(x+3) ?

The domain of f(x)=(6x)/(x+3) is x -3

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domain of f(x)=(6x)/(x+3)

domain

f (x) = \frac{6 x}{x + 3}

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) = (x - 1)^{2} - 4

f (x) = - 4 x^{2} - 6 x + 2

f (x) = x

f (x) = t - 9

What is the domain of f(x)=(6x)/(x+3) ?
The domain of f(x)=(6x)/(x+3) is x<-3\lor x>-3