What is the domain of (7x)/(2+5x) ?

The domain of (7x)/(2+5x) is x -2/5

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domain of (7x)/(2+5x)

domain

\frac{7 x}{2 + 5 x}

x < - \frac{2}{5} or x > - \frac{2}{5}

Interval Notation

(- \infty, - \frac{2}{5}) \cup (- \frac{2}{5}, \infty)

Solution steps

Find undefined (singularity) points:

x = - \frac{2}{5}

The function domain

x < - \frac{2}{5} or x > - \frac{2}{5}

y = \frac{x ^{2} + 5 x + 6}{x + 3}

f (x) = 4 - x^{2} + 1 + x

V (x) = 8 x^{3} - 12 x^{2} + x - 9

f (x) = \frac{8}{x ^{2} - 7 x + 10}

f (x) = 1 - ln (x)

What is the domain of (7x)/(2+5x) ?
The domain of (7x)/(2+5x) is x<-2/5 \lor x>-2/5