What is the domain of (5x+1)/(7x+9) ?

The domain of (5x+1)/(7x+9) is x -9/7

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domain of (5x+1)/(7x+9)

domain

\frac{5 x + 1}{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) = 2 x + 5 y = 20

f (x) = 6 - 5 x^{3}

f (t) = sin (2 t - \frac{π}{3}) - 4

f (x) = \frac{x ^{2} - 5 x - 3}{2 x + 1}

\frac{x - 1}{x ^{2} + 11 x + 10}

What is the domain of (5x+1)/(7x+9) ?
The domain of (5x+1)/(7x+9) is x<-9/7 \lor x>-9/7