What is the domain of (7x+1)/(1+x) ?

The domain of (7x+1)/(1+x) is x -1

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domain of (7x+1)/(1+x)

domain

\frac{7 x + 1}{1 + x}

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{1}{x ^{2} - 5 x - 6}

lo g_{10} (x + 4)

f (x) = 3 x^{5} - 20 x^{3}

\frac{1}{3} cos (x)

f (x) = \frac{8 x - 3}{4}

What is the domain of (7x+1)/(1+x) ?
The domain of (7x+1)/(1+x) is x<-1\lor x>-1