What is the domain of (3x^2)/(x+5) ?

The domain of (3x^2)/(x+5) is x -5

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domain of (3x^2)/(x+5)

domain

\frac{3 x ^{2}}{x + 5}

x < - 5 or x > - 5

Interval Notation

(- \infty, - 5) \cup (- 5, \infty)

Solution steps

Find undefined (singularity) points:

x = - 5

The function domain

x < - 5 or x > - 5

9 x + 8

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

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

\frac{2 x + 9}{x - 3}

y = x + 5

What is the domain of (3x^2)/(x+5) ?
The domain of (3x^2)/(x+5) is x<-5\lor x>-5