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

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

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domain of f(x)=(x^2-4)/(x+1)

domain

f (x) = \frac{x ^{2} - 4}{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

y = \frac{2}{3} x - 1

\frac{2}{7} x - 9

(2, - 4), (4, 8)

f (x) = - x - 2

- cos (2 (θ - \frac{π}{4}))

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