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

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

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

domain

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

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

Interval Notation

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

Solution steps

Find undefined (singularity) points:

x = - \frac{5}{2}

The function domain

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

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