What is the domain of (7x)/(x+3)-3 ?

The domain of (7x)/(x+3)-3 is x -3

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domain of (7x)/(x+3)-3

domain

\frac{7 x}{x + 3} - 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

9 x + 7 y = - 5

y = 2 x

f (x) = 2 x - 5 y = 10

f (x) = \frac{x - 5}{x ( x - 6 )}

y = - 3 x + 12

What is the domain of (7x)/(x+3)-3 ?
The domain of (7x)/(x+3)-3 is x<-3\lor x>-3