What is the domain of f(x)=(5x)/(5x+15)-3 ?

The domain of f(x)=(5x)/(5x+15)-3 is x -3

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domain of f(x)=(5x)/(5x+15)-3

domain

f (x) = \frac{5 x}{5 x + 15} - 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

\frac{x ^{2} - 6 x + 5}{x - 3}

y = \frac{2 x ^{2}}{x ^{2} - 9}

ln (\frac{1}{x + 7})

f (x) = sin^{4} (x)

2 - x + 1

What is the domain of f(x)=(5x)/(5x+15)-3 ?
The domain of f(x)=(5x)/(5x+15)-3 is x<-3\lor x>-3