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Popular >

domain of 4/(4/x)

Solution

domain

\frac{4}{\frac{4}{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

inverse of f(x)=-7cos(4x)inverse

f (x) = - 7 cos (4 x)

inflection f(x)=xe^x inflection points

f (x) = x e^{x}

distance (4,2),(1,-2)distance

(4, 2), (1, - 2)

extreme f(x)=-1.8 extreme points

f (x) = - 1.8

line (4,17),(-1,-13)line

(4, 17), (- 1, - 13)

Frequently Asked Questions (FAQ)

What is the domain of 4/(4/x) ?
The domain of 4/(4/x) is x<0\lor x>0