What is the domain of (7x)/(8x-9) ?

The domain of (7x)/(8x-9) is x 9/8

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domain of (7x)/(8x-9)

domain

\frac{7 x}{8 x - 9}

x < \frac{9}{8} or x > \frac{9}{8}

Interval Notation

(- \infty, \frac{9}{8}) \cup (\frac{9}{8}, \infty)

Solution steps

Find undefined (singularity) points:

x = \frac{9}{8}

The function domain

x < \frac{9}{8} or x > \frac{9}{8}

f (x) = lo g_{10} (2 x + 7)

f (x) = \frac{3 x - 8}{x - 5}

f (x) = - 4 x + 4

\frac{1}{3 x ^{7}}

What is the domain of (7x)/(8x-9) ?
The domain of (7x)/(8x-9) is x< 9/8 \lor x> 9/8