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) = \frac{x ^{2} - 2 x - 8}{x - 6}

(- 5, - 4), (9, 2)

(- 5, - 6), (- 3, - 8)

f (x) = \frac{98}{x ^{3}}

y = x^{2} + 4 x + 5

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