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

The domain of f(x)=(9x)/(9-7x) is x 9/7

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domain of f(x)=(9x)/(9-7x)

domain

f (x) = \frac{9 x}{9 - 7 x}

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

Interval Notation

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

Solution steps

Find undefined (singularity) points:

x = \frac{9}{7}

The function domain

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

f (x) = \frac{2 x + 2}{x ^{2} - x - 2}

f (x) = 0.25 x + 20

f (x) = e^{3 - x^{2}}

f (x) = lo g_{8} (x^{2} + 16)

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

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