What is the domain of f(x)= 9/(x+1) ?

The domain of f(x)= 9/(x+1) is x -1

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domain of f(x)= 9/(x+1)

domain

f (x) = \frac{9}{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

(- 8, 0), (1, 4)

f (x) = lo g_{5} (2 x - 1)

f (x) = tan (x + \frac{π}{2})

f (x) = \frac{9 + x}{2 - x}

f (x) = 5 tan (x + \frac{π}{2})

What is the domain of f(x)= 9/(x+1) ?
The domain of f(x)= 9/(x+1) is x<-1\lor x>-1