What is the domain of f(x)=(6-8x)/(x-9) ?

The domain of f(x)=(6-8x)/(x-9) is x 9

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domain of f(x)=(6-8x)/(x-9)

domain

f (x) = \frac{6 - 8 x}{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) = \frac{3 x}{4}

f (x) = \frac{1}{ln ( x ) x ^{2} + 2 x}

f (x) = \frac{30000}{100 - x}

f (x) = ∣ x - 1 ∣ + ∣ x + 1 ∣

- 4 - 2 x + 1 - 2

What is the domain of f(x)=(6-8x)/(x-9) ?
The domain of f(x)=(6-8x)/(x-9) is x<9\lor x>9