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

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

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

domain

f (x) = \frac{15}{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

y = - \frac{2}{3} x + 7

f (x) = - \frac{12}{x}

f (x) = \frac{2 x}{x ^{2} - 5}

5^{x^{2} - 4 x - 2}

f (x) = arccos (1 - x^{2})

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