What is the domain of f(x)=((x+1))/((x-3)) ?

The domain of f(x)=((x+1))/((x-3)) is x 3

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domain of f(x)=((x+1))/((x-3))

domain

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

f (x) = 8 - 6 - 18 x

f (x) = x - 25

1725 - 75 x

f (x) = x^{2} - 10 x + 24

What is the domain of f(x)=((x+1))/((x-3)) ?
The domain of f(x)=((x+1))/((x-3)) is x<3\lor x>3