What is the domain of (2x)/(7x-9) ?

The domain of (2x)/(7x-9) is x 9/7

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domain of (2x)/(7x-9)

domain

\frac{2 x}{7 x - 9}

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) = - 1 (3)^{x - 3} + 2

\frac{2 x ^{2} + 1}{x}

5 x - 40

y = \frac{x ^{2} - 3 x + 2}{( x - 1 ) ^{2}}

\frac{x + 1}{3 - x}

What is the domain of (2x)/(7x-9) ?
The domain of (2x)/(7x-9) is x< 9/7 \lor x> 9/7