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

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

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

domain

f (x) = \frac{1 - 2 x}{x + 4}

x < - 4 or x > - 4

Interval Notation

(- \infty, - 4) \cup (- 4, \infty)

Solution steps

Find undefined (singularity) points:

x = - 4

The function domain

x < - 4 or x > - 4

lo g_{2} (2 x - 1) - lo g_{2} (x)

y = 3 x^{2} + 6 x - 12

y = \frac{1}{2} x - \frac{3}{2} (4.2)

f (x) = x^{3} + 3 x^{2}

f (x) = x^{3} + 6 x^{2} + 2

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