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

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

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domain of y=(1-2x)/(3+x)

domain

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

x < - 3 or x > - 3

Interval Notation

(- \infty, - 3) \cup (- 3, \infty)

Solution steps

Find undefined (singularity) points:

x = - 3

The function domain

x < - 3 or x > - 3

y = x - 1

f (x) = \frac{6 x - x ^{2}}{x ^{4} - 36 x ^{2}}

3 tan (2 x - \frac{π}{3})

f (x) = 3 x^{4} - 6 x^{2} + 2 x - 3

(5, - 9), (9, 10)

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