What is the domain of f(x)=(-8)/(x-9) ?

The domain of f(x)=(-8)/(x-9) is x 9

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domain of f(x)=(-8)/(x-9)

domain

f (x) = \frac{- 8}{x - 9}

x < 9 or x > 9

Interval Notation

(- \infty, 9) \cup (9, \infty)

Solution steps

Find undefined (singularity) points:

x = 9

The function domain

x < 9 or x > 9

f (x) = 25 - (x + 2)^{2}

f (x) = \frac{15}{x - 3}

y = - \frac{2}{3} x + 7

f (x) = - \frac{12}{x}

f (x) = \frac{2 x}{x ^{2} - 5}

What is the domain of f(x)=(-8)/(x-9) ?
The domain of f(x)=(-8)/(x-9) is x<9\lor x>9