What is the domain of f(x)= x/(1-9x) ?

The domain of f(x)= x/(1-9x) is x 1/9

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domain of f(x)= x/(1-9x)

domain

f (x) = \frac{x}{1 - 9 x}

x < \frac{1}{9} or x > \frac{1}{9}

Interval Notation

(- \infty, \frac{1}{9}) \cup (\frac{1}{9}, \infty)

Solution steps

Find undefined (singularity) points:

x = \frac{1}{9}

The function domain

x < \frac{1}{9} or x > \frac{1}{9}

2 sin (\frac{π}{2} x + 3)

\frac{x ^{2} + x - 56}{x ^{2} - 5 x - 14}

- \frac{1}{x + 6}

f (x) = sin (x) - ln (x)

f (x) = x - 2 \frac{3 x ^{2} - 7 x + 5}{9 - x ^{2}}

What is the domain of f(x)= x/(1-9x) ?
The domain of f(x)= x/(1-9x) is x< 1/9 \lor x> 1/9