What is the domain of f(x)=(4x+9)/(7x) ?

The domain of f(x)=(4x+9)/(7x) is x 0

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domain of f(x)=(4x+9)/(7x)

domain

f (x) = \frac{4 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

f (x) = 2 x^{5} + x^{7}

- \frac{1}{5} 3^{x} - 2

f (x) = (5 x - 7)^{2} - 13

3 x + 3

4 x + 5 y = 9, (4, - 2)

What is the domain of f(x)=(4x+9)/(7x) ?
The domain of f(x)=(4x+9)/(7x) is x<0\lor x>0