What is the domain of f(x)=(6-x)/(x+7) ?

The domain of f(x)=(6-x)/(x+7) is x -7

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domain of f(x)=(6-x)/(x+7)

domain

f (x) = \frac{6 - x}{x + 7}

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) = (7 - 2 x) e^{x}

5 x - 4 y = 12

f (x) = 5 x - 1

2 x + 3 y = 4

f (x) = - 5 cos (4 x)

What is the domain of f(x)=(6-x)/(x+7) ?
The domain of f(x)=(6-x)/(x+7) is x<-7\lor x>-7