What is the domain of (2x+3)/(x+1) ?

The domain of (2x+3)/(x+1) is x -1

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domain of (2x+3)/(x+1)

domain

\frac{2 x + 3}{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{x ^{2} - 4}{x ^{3} - x ^{2} - 2 x}

f (x) = 3 + 8 x

\frac{3}{x + 4} - ln (x^{2} - x - 6)

(- 3, - 3), (2, 9)

(5.5) (- 3.3)

What is the domain of (2x+3)/(x+1) ?
The domain of (2x+3)/(x+1) is x<-1\lor x>-1