What is the domain of y= 1/(x+7)-20 ?

The domain of y= 1/(x+7)-20 is x -7

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domain of y= 1/(x+7)-20

domain

y = \frac{1}{x + 7} - 20

x < - 7 or x > - 7

Interval Notation

(- \infty, - 7) \cup (- 7, \infty)

Solution steps

Find undefined (singularity) points:

x = - 7

The function domain

x < - 7 or x > - 7

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

y = \frac{- 2}{x - 5}

f (x) = \frac{x}{2 x - [ x ]}

x^{2} - x - 6

- (x + 2)^{5} (x - 4)^{4}

What is the domain of y= 1/(x+7)-20 ?
The domain of y= 1/(x+7)-20 is x<-7\lor x>-7