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Popular >

domain of 9/(9/x)

Solution

domain

\frac{9}{\frac{9}{x}}

Solution

x < 0 or x > 0

+1

Interval Notation

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

Solution steps

Find undefined (singularity) points:

x = 0

The function domain

x < 0 or x > 0

Popular Examples

range of sqrt(x)+17 range

x + 17

m = 2

asymptotes of f(x)=x-sin(x)asymptotes

f (x) = x - sin (x)

midpoint (3,2.5),(-3,6)midpoint

(3, 2.5), (- 3, 6)

domain of f(x)=ln(x^2+1)domain

f (x) = ln (x^{2} + 1)

Frequently Asked Questions (FAQ)

What is the domain of 9/(9/x) ?
The domain of 9/(9/x) is x<0\lor x>0