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

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

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

domain

f (x) = \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

f (x) = arcsin (\frac{1}{1 - x})

5 x - 7

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

f (x) = \frac{2 x + 5}{x ^{2} + 4 x + 3}

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