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Popular >

domain of f(r)=-1/r

Solution

domain

f (r) = - \frac{1}{r}

Solution

r < 0 or r > 0

+1

Interval Notation

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

Solution steps

Find undefined (singularity) points:

r = 0

The function domain

r < 0 or r > 0

Popular Examples

simplify (6.4)(10.2)simplify

(6.4) (10.2)

domain of f(x)=((x-2))/(x-(4/x))domain

f (x) = \frac{( x - 2 )}{x - ( \frac{4}{x} )}

inverse of f(x)=x^{1/2}inverse

f (x) = x^{\frac{1}{2}}

inverse of f(x)=((4x-9))/((x-4))inverse

f (x) = \frac{( 4 x - 9 )}{( x - 4 )}

inverse of 3x-4 inverse

3 x - 4

Frequently Asked Questions (FAQ)

What is the domain of f(r)=-1/r ?
The domain of f(r)=-1/r is r<0\lor r>0