What is the domain of y=(-3)/(5x+20)+7 ?

The domain of y=(-3)/(5x+20)+7 is x -4

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domain of y=(-3)/(5x+20)+7

domain

y = \frac{- 3}{5 x + 20} + 7

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

f (x) = 1 - (x - 1)^{2}

f (x) = \frac{- 1}{x - 1}

f (x) = ln (x) - e^{x} - x

\frac{x + 1}{2 - x}

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

What is the domain of y=(-3)/(5x+20)+7 ?
The domain of y=(-3)/(5x+20)+7 is x<-4\lor x>-4