What is the domain of f(x)=(2x+7)/(5x) ?

The domain of f(x)=(2x+7)/(5x) is x 0

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domain of f(x)=(2x+7)/(5x)

domain

f (x) = \frac{2 x + 7}{5 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

\frac{x}{x + 4}

y = 36 - x^{2}

f (x) = 81 - \frac{2}{x}

f (x) = \frac{3 x - 3}{x + 2}

f (x) = x^{2} + 7 x + 10

What is the domain of f(x)=(2x+7)/(5x) ?
The domain of f(x)=(2x+7)/(5x) is x<0\lor x>0