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

The domain of (x+7)/(x^2+2x) is x 0

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

domain

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

x < - 2 or - 2 < x < 0 or x > 0

Interval Notation

(- \infty, - 2) \cup (- 2, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0, x = - 2

The function domain

x < - 2 or - 2 < x < 0 or x > 0

y = \frac{1}{sec ^{2} ( x )} + \frac{1}{csc ^{2} ( x )}

\frac{4 ln ( x )}{11 x ^{2}}

f (x) = - x^{2} + 8 x - 15

f (x) = 5 - 4 x + 7 x

What is the domain of (x+7)/(x^2+2x) ?
The domain of (x+7)/(x^2+2x) is x<-2\lor-2<x<0\lor x>0