What is the domain of (4x^2)/(x+1) ?

The domain of (4x^2)/(x+1) is x -1

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domain of (4x^2)/(x+1)

domain

\frac{4 x ^{2}}{x + 1}

x < - 1 or x > - 1

Interval Notation

(- \infty, - 1) \cup (- 1, \infty)

Solution steps

Find undefined (singularity) points:

x = - 1

The function domain

x < - 1 or x > - 1

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

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

g (x) = x - 6

(1 - x)^{2}

(2, 4), (- 4, - 3)

What is the domain of (4x^2)/(x+1) ?
The domain of (4x^2)/(x+1) is x<-1\lor x>-1