What is the domain of f(x)= 6/(9-x) ?

The domain of f(x)= 6/(9-x) is x 9

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domain of f(x)= 6/(9-x)

domain

f (x) = \frac{6}{9 - x}

x < 9 or x > 9

Interval Notation

(- \infty, 9) \cup (9, \infty)

Solution steps

Find undefined (singularity) points:

x = 9

The function domain

x < 9 or x > 9

\frac{2}{x - 3}

\frac{s + 1}{s ^{3} + 4 s ^{2} + 2 s + 3}

f (x) = 4 x^{3} - 3 x^{2} + 8

f (x) = \frac{( x - 9 )}{( x - 2 )}

\frac{2}{x} + 4

What is the domain of f(x)= 6/(9-x) ?
The domain of f(x)= 6/(9-x) is x<9\lor x>9