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

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

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

domain

f (x) = \frac{3 x + 5}{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) = ln (x + 7)

12 - x^{2} - x

f (x) = \frac{1}{cos ^{2} ( x ) sin ( x )}

x^{2} - x + 3

f (x) = \frac{x ^{2} + 9}{x + 3}

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