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

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

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

domain

f (x) = \frac{7 + x}{2 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) = 4 x - 1 + (- 5 x^{2} + 3)

f (x) = \frac{1}{4 x + 11}

f (x) = e^{0.5 x} + 100 e^{- 0.5 x}

\frac{3 ln ( x ) ln ( x )}{x}

f (x) = \frac{28}{( t + 7 ) ^{2}}

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