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

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

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

domain

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

x < 8 or x > 8

Interval Notation

(- \infty, 8) \cup (8, \infty)

Solution steps

Find undefined (singularity) points:

x = 8

The function domain

x < 8 or x > 8

\frac{3 - 2 x}{3 x + 2}

\frac{1}{9 - x}

f (x) = (x - 2) + 5

ln (2 + x)

f (x) = 4 - x^{2}, - 2 \leq x \leq 2

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