What is the domain of (9x+63)/(9x-7) ?

The domain of (9x+63)/(9x-7) is x 7/9

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domain of (9x+63)/(9x-7)

domain

\frac{9 x + 63}{9 x - 7}

x < \frac{7}{9} or x > \frac{7}{9}

Interval Notation

(- \infty, \frac{7}{9}) \cup (\frac{7}{9}, \infty)

Solution steps

Find undefined (singularity) points:

x = \frac{7}{9}

The function domain

x < \frac{7}{9} or x > \frac{7}{9}

f (x) = - \frac{1}{2} x

4 x - 20

\frac{x - 2}{x ^{2} - 9}

f (x) = 3 - t - 2 + t

3^{x} + 1

What is the domain of (9x+63)/(9x-7) ?
The domain of (9x+63)/(9x-7) is x< 7/9 \lor x> 7/9