What is the domain of f(x)=(2x+9)/(7x) ?

The domain of f(x)=(2x+9)/(7x) is x 0

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domain of f(x)=(2x+9)/(7x)

domain

f (x) = \frac{2 x + 9}{7 x}

x < 0 or x > 0

Interval Notation

(- \infty, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0

The function domain

x < 0 or x > 0

y = x^{2} e^{- x}

\frac{2 x ^{2} + 10 x + 12}{x ^{2} + 3 x + 2}

g (x) = x - 7

f (x) = ln (x^{2} - 9)

f (x) = \frac{19}{3 x - 12}

What is the domain of f(x)=(2x+9)/(7x) ?
The domain of f(x)=(2x+9)/(7x) is x<0\lor x>0