What is the domain of f(x)=(12)/(13-x) ?

The domain of f(x)=(12)/(13-x) is x 13

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domain of f(x)=(12)/(13-x)

domain

f (x) = \frac{12}{13 - x}

x < 13 or x > 13

Interval Notation

(- \infty, 13) \cup (13, \infty)

Solution steps

Find undefined (singularity) points:

x = 13

The function domain

x < 13 or x > 13

\frac{5 x + 1}{x - 3}

2^{t}

f (x) = 3 - 4 x

\frac{3 t ^{2}}{2 t ^{2} + 8}

What is the domain of f(x)=(12)/(13-x) ?
The domain of f(x)=(12)/(13-x) is x<13\lor x>13